Commit | Line | Data |
4633a7c4 |
1 | #define INCL_DOS |
2 | #define INCL_NOPM |
7a2f0d5b |
3 | #define INCL_DOSFILEMGR |
760ac839 |
4 | #define INCL_DOSMEMMGR |
5 | #define INCL_DOSERRORS |
ed344e4f |
6 | /* These 3 are needed for compile if os2.h includes os2tk.h, not os2emx.h */ |
7 | #define INCL_DOSPROCESS |
8 | #define SPU_DISABLESUPPRESSION 0 |
9 | #define SPU_ENABLESUPPRESSION 1 |
4633a7c4 |
10 | #include <os2.h> |
11 | |
28743a51 |
12 | #include <sys/uflags.h> |
13 | |
4633a7c4 |
14 | /* |
15 | * Various Unix compatibility functions for OS/2 |
16 | */ |
17 | |
18 | #include <stdio.h> |
19 | #include <errno.h> |
20 | #include <limits.h> |
21 | #include <process.h> |
72ea3524 |
22 | #include <fcntl.h> |
4633a7c4 |
23 | |
a03d92b2 |
24 | #define PERLIO_NOT_STDIO 0 |
8e4bc33b |
25 | |
4633a7c4 |
26 | #include "EXTERN.h" |
27 | #include "perl.h" |
28 | |
dd96f567 |
29 | #ifdef USE_THREADS |
30 | |
31 | typedef void (*emx_startroutine)(void *); |
32 | typedef void* (*pthreads_startroutine)(void *); |
33 | |
34 | enum pthreads_state { |
35 | pthreads_st_none = 0, |
36 | pthreads_st_run, |
37 | pthreads_st_exited, |
38 | pthreads_st_detached, |
39 | pthreads_st_waited, |
40 | }; |
41 | const char *pthreads_states[] = { |
42 | "uninit", |
43 | "running", |
44 | "exited", |
45 | "detached", |
46 | "waited for", |
47 | }; |
48 | |
49 | typedef struct { |
50 | void *status; |
3aefca04 |
51 | perl_cond cond; |
dd96f567 |
52 | enum pthreads_state state; |
53 | } thread_join_t; |
54 | |
55 | thread_join_t *thread_join_data; |
56 | int thread_join_count; |
3aefca04 |
57 | perl_mutex start_thread_mutex; |
dd96f567 |
58 | |
59 | int |
3aefca04 |
60 | pthread_join(perl_os_thread tid, void **status) |
dd96f567 |
61 | { |
62 | MUTEX_LOCK(&start_thread_mutex); |
63 | switch (thread_join_data[tid].state) { |
64 | case pthreads_st_exited: |
65 | thread_join_data[tid].state = pthreads_st_none; /* Ready to reuse */ |
66 | MUTEX_UNLOCK(&start_thread_mutex); |
67 | *status = thread_join_data[tid].status; |
68 | break; |
69 | case pthreads_st_waited: |
70 | MUTEX_UNLOCK(&start_thread_mutex); |
23da6c43 |
71 | Perl_croak_nocontext("join with a thread with a waiter"); |
dd96f567 |
72 | break; |
73 | case pthreads_st_run: |
74 | thread_join_data[tid].state = pthreads_st_waited; |
75 | COND_INIT(&thread_join_data[tid].cond); |
76 | MUTEX_UNLOCK(&start_thread_mutex); |
77 | COND_WAIT(&thread_join_data[tid].cond, NULL); |
78 | COND_DESTROY(&thread_join_data[tid].cond); |
79 | thread_join_data[tid].state = pthreads_st_none; /* Ready to reuse */ |
80 | *status = thread_join_data[tid].status; |
81 | break; |
82 | default: |
83 | MUTEX_UNLOCK(&start_thread_mutex); |
23da6c43 |
84 | Perl_croak_nocontext("join: unknown thread state: '%s'", |
dd96f567 |
85 | pthreads_states[thread_join_data[tid].state]); |
86 | break; |
87 | } |
88 | return 0; |
89 | } |
90 | |
91 | void |
92 | pthread_startit(void *arg) |
93 | { |
94 | /* Thread is already started, we need to transfer control only */ |
95 | pthreads_startroutine start_routine = *((pthreads_startroutine*)arg); |
96 | int tid = pthread_self(); |
97 | void *retval; |
98 | |
99 | arg = ((void**)arg)[1]; |
100 | if (tid >= thread_join_count) { |
101 | int oc = thread_join_count; |
102 | |
103 | thread_join_count = tid + 5 + tid/5; |
104 | if (thread_join_data) { |
105 | Renew(thread_join_data, thread_join_count, thread_join_t); |
106 | Zero(thread_join_data + oc, thread_join_count - oc, thread_join_t); |
107 | } else { |
108 | Newz(1323, thread_join_data, thread_join_count, thread_join_t); |
109 | } |
110 | } |
111 | if (thread_join_data[tid].state != pthreads_st_none) |
23da6c43 |
112 | Perl_croak_nocontext("attempt to reuse thread id %i", tid); |
dd96f567 |
113 | thread_join_data[tid].state = pthreads_st_run; |
114 | /* Now that we copied/updated the guys, we may release the caller... */ |
115 | MUTEX_UNLOCK(&start_thread_mutex); |
116 | thread_join_data[tid].status = (*start_routine)(arg); |
117 | switch (thread_join_data[tid].state) { |
118 | case pthreads_st_waited: |
119 | COND_SIGNAL(&thread_join_data[tid].cond); |
120 | break; |
121 | default: |
122 | thread_join_data[tid].state = pthreads_st_exited; |
123 | break; |
124 | } |
125 | } |
126 | |
127 | int |
3aefca04 |
128 | pthread_create(perl_os_thread *tid, const pthread_attr_t *attr, |
dd96f567 |
129 | void *(*start_routine)(void*), void *arg) |
130 | { |
131 | void *args[2]; |
132 | |
133 | args[0] = (void*)start_routine; |
134 | args[1] = arg; |
135 | |
136 | MUTEX_LOCK(&start_thread_mutex); |
137 | *tid = _beginthread(pthread_startit, /*stack*/ NULL, |
138 | /*stacksize*/ 10*1024*1024, (void*)args); |
139 | MUTEX_LOCK(&start_thread_mutex); |
140 | MUTEX_UNLOCK(&start_thread_mutex); |
141 | return *tid ? 0 : EINVAL; |
142 | } |
143 | |
144 | int |
3aefca04 |
145 | pthread_detach(perl_os_thread tid) |
dd96f567 |
146 | { |
147 | MUTEX_LOCK(&start_thread_mutex); |
148 | switch (thread_join_data[tid].state) { |
149 | case pthreads_st_waited: |
150 | MUTEX_UNLOCK(&start_thread_mutex); |
23da6c43 |
151 | Perl_croak_nocontext("detach on a thread with a waiter"); |
dd96f567 |
152 | break; |
153 | case pthreads_st_run: |
154 | thread_join_data[tid].state = pthreads_st_detached; |
155 | MUTEX_UNLOCK(&start_thread_mutex); |
156 | break; |
157 | default: |
158 | MUTEX_UNLOCK(&start_thread_mutex); |
23da6c43 |
159 | Perl_croak_nocontext("detach: unknown thread state: '%s'", |
dd96f567 |
160 | pthreads_states[thread_join_data[tid].state]); |
161 | break; |
162 | } |
163 | return 0; |
164 | } |
165 | |
166 | /* This is a very bastardized version: */ |
167 | int |
3aefca04 |
168 | os2_cond_wait(perl_cond *c, perl_mutex *m) |
dd96f567 |
169 | { |
170 | int rc; |
2d8e6c8d |
171 | STRLEN n_a; |
172 | if ((rc = DosResetEventSem(*c,&n_a)) && (rc != ERROR_ALREADY_RESET)) |
23da6c43 |
173 | Perl_croak_nocontext("panic: COND_WAIT-reset: rc=%i", rc); |
dd96f567 |
174 | if (m) MUTEX_UNLOCK(m); |
91643db9 |
175 | if (CheckOSError(DosWaitEventSem(*c,SEM_INDEFINITE_WAIT)) |
176 | && (rc != ERROR_INTERRUPT)) |
23da6c43 |
177 | Perl_croak_nocontext("panic: COND_WAIT: rc=%i", rc); |
91643db9 |
178 | if (rc == ERROR_INTERRUPT) |
179 | errno = EINTR; |
dd96f567 |
180 | if (m) MUTEX_LOCK(m); |
181 | } |
182 | #endif |
183 | |
4633a7c4 |
184 | /*****************************************************************************/ |
72ea3524 |
185 | /* 2.1 would not resolve symbols on demand, and has no ExtLIBPATH. */ |
186 | static PFN ExtFCN[2]; /* Labeled by ord below. */ |
187 | static USHORT loadOrd[2] = { 874, 873 }; /* Query=874, Set=873. */ |
188 | #define ORD_QUERY_ELP 0 |
189 | #define ORD_SET_ELP 1 |
4bfbfac5 |
190 | struct PMWIN_entries_t PMWIN_entries; |
72ea3524 |
191 | |
192 | APIRET |
4bfbfac5 |
193 | loadByOrd(char *modname, ULONG ord) |
72ea3524 |
194 | { |
195 | if (ExtFCN[ord] == NULL) { |
196 | static HMODULE hdosc = 0; |
197 | BYTE buf[20]; |
198 | PFN fcn; |
199 | APIRET rc; |
200 | |
201 | if ((!hdosc && CheckOSError(DosLoadModule(buf, sizeof buf, |
4bfbfac5 |
202 | modname, &hdosc))) |
72ea3524 |
203 | || CheckOSError(DosQueryProcAddr(hdosc, loadOrd[ord], NULL, &fcn))) |
23da6c43 |
204 | Perl_croak_nocontext("This version of OS/2 does not support %s.%i", |
4bfbfac5 |
205 | modname, loadOrd[ord]); |
72ea3524 |
206 | ExtFCN[ord] = fcn; |
207 | } |
4bfbfac5 |
208 | if ((long)ExtFCN[ord] == -1) |
23da6c43 |
209 | Perl_croak_nocontext("panic queryaddr"); |
72ea3524 |
210 | } |
211 | |
4bfbfac5 |
212 | void |
213 | init_PMWIN_entries(void) |
214 | { |
215 | static HMODULE hpmwin = 0; |
216 | static const int ords[] = { |
217 | 763, /* Initialize */ |
218 | 716, /* CreateMsgQueue */ |
219 | 726, /* DestroyMsgQueue */ |
220 | 918, /* PeekMsg */ |
221 | 915, /* GetMsg */ |
222 | 912, /* DispatchMsg */ |
223 | }; |
224 | BYTE buf[20]; |
225 | int i = 0; |
226 | unsigned long rc; |
227 | |
228 | if (hpmwin) |
229 | return; |
230 | |
231 | if (CheckOSError(DosLoadModule(buf, sizeof buf, "pmwin", &hpmwin))) |
23da6c43 |
232 | Perl_croak_nocontext("This version of OS/2 does not support pmwin: error in %s", buf); |
4bfbfac5 |
233 | while (i <= 5) { |
234 | if (CheckOSError(DosQueryProcAddr(hpmwin, ords[i], NULL, |
235 | ((PFN*)&PMWIN_entries)+i))) |
23da6c43 |
236 | Perl_croak_nocontext("This version of OS/2 does not support pmwin.%d", ords[i]); |
4bfbfac5 |
237 | i++; |
238 | } |
239 | } |
240 | |
241 | |
4633a7c4 |
242 | /* priorities */ |
6f064249 |
243 | static signed char priors[] = {0, 1, 3, 2}; /* Last two interchanged, |
244 | self inverse. */ |
245 | #define QSS_INI_BUFFER 1024 |
4633a7c4 |
246 | |
6f064249 |
247 | PQTOPLEVEL |
248 | get_sysinfo(ULONG pid, ULONG flags) |
4633a7c4 |
249 | { |
6f064249 |
250 | char *pbuffer; |
251 | ULONG rc, buf_len = QSS_INI_BUFFER; |
252 | |
fc36a67e |
253 | New(1322, pbuffer, buf_len, char); |
6f064249 |
254 | /* QSS_PROCESS | QSS_MODULE | QSS_SEMAPHORES | QSS_SHARED */ |
255 | rc = QuerySysState(flags, pid, pbuffer, buf_len); |
256 | while (rc == ERROR_BUFFER_OVERFLOW) { |
257 | Renew(pbuffer, buf_len *= 2, char); |
df3ef7a9 |
258 | rc = QuerySysState(flags, pid, pbuffer, buf_len); |
6f064249 |
259 | } |
260 | if (rc) { |
261 | FillOSError(rc); |
262 | Safefree(pbuffer); |
263 | return 0; |
264 | } |
265 | return (PQTOPLEVEL)pbuffer; |
266 | } |
267 | |
268 | #define PRIO_ERR 0x1111 |
269 | |
270 | static ULONG |
271 | sys_prio(pid) |
272 | { |
273 | ULONG prio; |
274 | PQTOPLEVEL psi; |
275 | |
276 | psi = get_sysinfo(pid, QSS_PROCESS); |
277 | if (!psi) { |
278 | return PRIO_ERR; |
279 | } |
280 | if (pid != psi->procdata->pid) { |
281 | Safefree(psi); |
23da6c43 |
282 | Perl_croak_nocontext("panic: wrong pid in sysinfo"); |
6f064249 |
283 | } |
284 | prio = psi->procdata->threads->priority; |
285 | Safefree(psi); |
286 | return prio; |
287 | } |
288 | |
289 | int |
290 | setpriority(int which, int pid, int val) |
291 | { |
292 | ULONG rc, prio; |
293 | PQTOPLEVEL psi; |
294 | |
295 | prio = sys_prio(pid); |
296 | |
55497cff |
297 | if (!(_emx_env & 0x200)) return 0; /* Nop if not OS/2. */ |
6f064249 |
298 | if (priors[(32 - val) >> 5] + 1 == (prio >> 8)) { |
299 | /* Do not change class. */ |
300 | return CheckOSError(DosSetPriority((pid < 0) |
301 | ? PRTYS_PROCESSTREE : PRTYS_PROCESS, |
302 | 0, |
303 | (32 - val) % 32 - (prio & 0xFF), |
304 | abs(pid))) |
305 | ? -1 : 0; |
306 | } else /* if ((32 - val) % 32 == (prio & 0xFF)) */ { |
307 | /* Documentation claims one can change both class and basevalue, |
308 | * but I find it wrong. */ |
309 | /* Change class, but since delta == 0 denotes absolute 0, correct. */ |
310 | if (CheckOSError(DosSetPriority((pid < 0) |
311 | ? PRTYS_PROCESSTREE : PRTYS_PROCESS, |
312 | priors[(32 - val) >> 5] + 1, |
313 | 0, |
314 | abs(pid)))) |
315 | return -1; |
316 | if ( ((32 - val) % 32) == 0 ) return 0; |
317 | return CheckOSError(DosSetPriority((pid < 0) |
318 | ? PRTYS_PROCESSTREE : PRTYS_PROCESS, |
319 | 0, |
320 | (32 - val) % 32, |
321 | abs(pid))) |
322 | ? -1 : 0; |
323 | } |
324 | /* else return CheckOSError(DosSetPriority((pid < 0) */ |
325 | /* ? PRTYS_PROCESSTREE : PRTYS_PROCESS, */ |
326 | /* priors[(32 - val) >> 5] + 1, */ |
327 | /* (32 - val) % 32 - (prio & 0xFF), */ |
328 | /* abs(pid))) */ |
329 | /* ? -1 : 0; */ |
4633a7c4 |
330 | } |
331 | |
6f064249 |
332 | int |
333 | getpriority(int which /* ignored */, int pid) |
4633a7c4 |
334 | { |
335 | TIB *tib; |
336 | PIB *pib; |
6f064249 |
337 | ULONG rc, ret; |
338 | |
55497cff |
339 | if (!(_emx_env & 0x200)) return 0; /* Nop if not OS/2. */ |
6f064249 |
340 | /* DosGetInfoBlocks has old priority! */ |
341 | /* if (CheckOSError(DosGetInfoBlocks(&tib, &pib))) return -1; */ |
342 | /* if (pid != pib->pib_ulpid) { */ |
343 | ret = sys_prio(pid); |
344 | if (ret == PRIO_ERR) { |
345 | return -1; |
346 | } |
347 | /* } else */ |
348 | /* ret = tib->tib_ptib2->tib2_ulpri; */ |
349 | return (1 - priors[((ret >> 8) - 1)])*32 - (ret & 0xFF); |
4633a7c4 |
350 | } |
351 | |
352 | /*****************************************************************************/ |
353 | /* spawn */ |
2c2e0e8c |
354 | |
355 | /* There is no big sense to make it thread-specific, since signals |
356 | are delivered to thread 1 only. XXXX Maybe make it into an array? */ |
357 | static int spawn_pid; |
358 | static int spawn_killed; |
359 | |
360 | static Signal_t |
361 | spawn_sighandler(int sig) |
362 | { |
363 | /* Some programs do not arrange for the keyboard signals to be |
364 | delivered to them. We need to deliver the signal manually. */ |
365 | /* We may get a signal only if |
366 | a) kid does not receive keyboard signal: deliver it; |
367 | b) kid already died, and we get a signal. We may only hope |
368 | that the pid number was not reused. |
369 | */ |
370 | |
371 | if (spawn_killed) |
372 | sig = SIGKILL; /* Try harder. */ |
373 | kill(spawn_pid, sig); |
374 | spawn_killed = 1; |
375 | } |
72ea3524 |
376 | |
4633a7c4 |
377 | static int |
23da6c43 |
378 | result(pTHX_ int flag, int pid) |
4633a7c4 |
379 | { |
23da6c43 |
380 | dTHR; |
4633a7c4 |
381 | int r, status; |
382 | Signal_t (*ihand)(); /* place to save signal during system() */ |
383 | Signal_t (*qhand)(); /* place to save signal during system() */ |
760ac839 |
384 | #ifndef __EMX__ |
385 | RESULTCODES res; |
386 | int rpid; |
387 | #endif |
4633a7c4 |
388 | |
760ac839 |
389 | if (pid < 0 || flag != 0) |
4633a7c4 |
390 | return pid; |
391 | |
760ac839 |
392 | #ifdef __EMX__ |
2c2e0e8c |
393 | spawn_pid = pid; |
394 | spawn_killed = 0; |
395 | ihand = rsignal(SIGINT, &spawn_sighandler); |
396 | qhand = rsignal(SIGQUIT, &spawn_sighandler); |
c0c09dfd |
397 | do { |
398 | r = wait4pid(pid, &status, 0); |
399 | } while (r == -1 && errno == EINTR); |
72ea3524 |
400 | rsignal(SIGINT, ihand); |
401 | rsignal(SIGQUIT, qhand); |
4633a7c4 |
402 | |
6b88bc9c |
403 | PL_statusvalue = (U16)status; |
4633a7c4 |
404 | if (r < 0) |
405 | return -1; |
406 | return status & 0xFFFF; |
760ac839 |
407 | #else |
72ea3524 |
408 | ihand = rsignal(SIGINT, SIG_IGN); |
760ac839 |
409 | r = DosWaitChild(DCWA_PROCESS, DCWW_WAIT, &res, &rpid, pid); |
72ea3524 |
410 | rsignal(SIGINT, ihand); |
6b88bc9c |
411 | PL_statusvalue = res.codeResult << 8 | res.codeTerminate; |
760ac839 |
412 | if (r) |
413 | return -1; |
6b88bc9c |
414 | return PL_statusvalue; |
760ac839 |
415 | #endif |
4633a7c4 |
416 | } |
417 | |
491527d0 |
418 | #define EXECF_SPAWN 0 |
419 | #define EXECF_EXEC 1 |
420 | #define EXECF_TRUEEXEC 2 |
421 | #define EXECF_SPAWN_NOWAIT 3 |
4435c477 |
422 | #define EXECF_SPAWN_BYFLAG 4 |
491527d0 |
423 | |
017f25f1 |
424 | /* const char* const ptypes[] = { "FS", "DOS", "VIO", "PM", "DETACH" }; */ |
425 | |
426 | static int |
427 | my_type() |
428 | { |
429 | int rc; |
430 | TIB *tib; |
431 | PIB *pib; |
432 | |
433 | if (!(_emx_env & 0x200)) return 1; /* not OS/2. */ |
434 | if (CheckOSError(DosGetInfoBlocks(&tib, &pib))) |
435 | return -1; |
436 | |
437 | return (pib->pib_ultype); |
438 | } |
439 | |
440 | static ULONG |
441 | file_type(char *path) |
442 | { |
443 | int rc; |
444 | ULONG apptype; |
445 | |
446 | if (!(_emx_env & 0x200)) |
23da6c43 |
447 | Perl_croak_nocontext("file_type not implemented on DOS"); /* not OS/2. */ |
017f25f1 |
448 | if (CheckOSError(DosQueryAppType(path, &apptype))) { |
449 | switch (rc) { |
450 | case ERROR_FILE_NOT_FOUND: |
451 | case ERROR_PATH_NOT_FOUND: |
452 | return -1; |
453 | case ERROR_ACCESS_DENIED: /* Directory with this name found? */ |
454 | return -3; |
455 | default: /* Found, but not an |
456 | executable, or some other |
457 | read error. */ |
458 | return -2; |
459 | } |
460 | } |
461 | return apptype; |
462 | } |
463 | |
464 | static ULONG os2_mytype; |
465 | |
491527d0 |
466 | /* Spawn/exec a program, revert to shell if needed. */ |
6b88bc9c |
467 | /* global PL_Argv[] contains arguments. */ |
491527d0 |
468 | |
4633a7c4 |
469 | int |
23da6c43 |
470 | do_spawn_ve(pTHX_ SV *really, U32 flag, U32 execf, char *inicmd, U32 addflag) |
4633a7c4 |
471 | { |
dd96f567 |
472 | dTHR; |
491527d0 |
473 | int trueflag = flag; |
a97be121 |
474 | int rc, pass = 1; |
491527d0 |
475 | char *tmps; |
6756f2f0 |
476 | char buf[256], *s = 0, scrbuf[280]; |
491527d0 |
477 | char *args[4]; |
478 | static char * fargs[4] |
479 | = { "/bin/sh", "-c", "\"$@\"", "spawn-via-shell", }; |
480 | char **argsp = fargs; |
481 | char nargs = 4; |
017f25f1 |
482 | int force_shell; |
5838269b |
483 | int new_stderr = -1, nostderr = 0, fl_stderr; |
2d8e6c8d |
484 | STRLEN n_a; |
491527d0 |
485 | |
4633a7c4 |
486 | if (flag == P_WAIT) |
487 | flag = P_NOWAIT; |
488 | |
491527d0 |
489 | retry: |
6b88bc9c |
490 | if (strEQ(PL_Argv[0],"/bin/sh")) |
491 | PL_Argv[0] = PL_sh_path; |
3bbf9c2b |
492 | |
6b88bc9c |
493 | if (PL_Argv[0][0] != '/' && PL_Argv[0][0] != '\\' |
494 | && !(PL_Argv[0][0] && PL_Argv[0][1] == ':' |
495 | && (PL_Argv[0][2] == '/' || PL_Argv[0][2] != '\\')) |
2c2e0e8c |
496 | ) /* will spawnvp use PATH? */ |
c0c09dfd |
497 | TAINT_ENV(); /* testing IFS here is overkill, probably */ |
760ac839 |
498 | /* We should check PERL_SH* and PERLLIB_* as well? */ |
2d8e6c8d |
499 | if (!really || !*(tmps = SvPV(really, n_a))) |
6b88bc9c |
500 | tmps = PL_Argv[0]; |
017f25f1 |
501 | |
502 | reread: |
503 | force_shell = 0; |
504 | if (_emx_env & 0x200) { /* OS/2. */ |
505 | int type = file_type(tmps); |
506 | type_again: |
507 | if (type == -1) { /* Not found */ |
508 | errno = ENOENT; |
509 | rc = -1; |
510 | goto do_script; |
511 | } |
512 | else if (type == -2) { /* Not an EXE */ |
513 | errno = ENOEXEC; |
514 | rc = -1; |
515 | goto do_script; |
516 | } |
517 | else if (type == -3) { /* Is a directory? */ |
518 | /* Special-case this */ |
519 | char tbuf[512]; |
520 | int l = strlen(tmps); |
521 | |
522 | if (l + 5 <= sizeof tbuf) { |
523 | strcpy(tbuf, tmps); |
524 | strcpy(tbuf + l, ".exe"); |
525 | type = file_type(tbuf); |
526 | if (type >= -3) |
527 | goto type_again; |
528 | } |
529 | |
530 | errno = ENOEXEC; |
531 | rc = -1; |
532 | goto do_script; |
533 | } |
534 | switch (type & 7) { |
535 | /* Ignore WINDOWCOMPAT and FAPI, start them the same type we are. */ |
536 | case FAPPTYP_WINDOWAPI: |
537 | { |
538 | if (os2_mytype != 3) { /* not PM */ |
539 | if (flag == P_NOWAIT) |
540 | flag = P_PM; |
541 | else if ((flag & 7) != P_PM && (flag & 7) != P_SESSION) |
23da6c43 |
542 | Perl_warner(aTHX_ WARN_EXEC, "Starting PM process with flag=%d, mytype=%d", |
017f25f1 |
543 | flag, os2_mytype); |
544 | } |
545 | } |
546 | break; |
547 | case FAPPTYP_NOTWINDOWCOMPAT: |
548 | { |
549 | if (os2_mytype != 0) { /* not full screen */ |
550 | if (flag == P_NOWAIT) |
551 | flag = P_SESSION; |
552 | else if ((flag & 7) != P_SESSION) |
23da6c43 |
553 | Perl_warner(aTHX_ WARN_EXEC, "Starting Full Screen process with flag=%d, mytype=%d", |
017f25f1 |
554 | flag, os2_mytype); |
555 | } |
556 | } |
557 | break; |
558 | case FAPPTYP_NOTSPEC: |
559 | /* Let the shell handle this... */ |
560 | force_shell = 1; |
561 | goto doshell_args; |
562 | break; |
563 | } |
564 | } |
565 | |
5838269b |
566 | if (addflag) { |
567 | addflag = 0; |
568 | new_stderr = dup(2); /* Preserve stderr */ |
569 | if (new_stderr == -1) { |
570 | if (errno == EBADF) |
571 | nostderr = 1; |
572 | else { |
573 | rc = -1; |
574 | goto finish; |
575 | } |
576 | } else |
577 | fl_stderr = fcntl(2, F_GETFD); |
578 | rc = dup2(1,2); |
579 | if (rc == -1) |
580 | goto finish; |
581 | fcntl(new_stderr, F_SETFD, FD_CLOEXEC); |
582 | } |
583 | |
491527d0 |
584 | #if 0 |
23da6c43 |
585 | rc = result(aTHX_ trueflag, spawnvp(flag,tmps,PL_Argv)); |
491527d0 |
586 | #else |
587 | if (execf == EXECF_TRUEEXEC) |
6b88bc9c |
588 | rc = execvp(tmps,PL_Argv); |
491527d0 |
589 | else if (execf == EXECF_EXEC) |
6b88bc9c |
590 | rc = spawnvp(trueflag | P_OVERLAY,tmps,PL_Argv); |
491527d0 |
591 | else if (execf == EXECF_SPAWN_NOWAIT) |
017f25f1 |
592 | rc = spawnvp(flag,tmps,PL_Argv); |
4435c477 |
593 | else /* EXECF_SPAWN, EXECF_SPAWN_BYFLAG */ |
23da6c43 |
594 | rc = result(aTHX_ trueflag, |
017f25f1 |
595 | spawnvp(flag,tmps,PL_Argv)); |
491527d0 |
596 | #endif |
2c2e0e8c |
597 | if (rc < 0 && pass == 1 |
6b88bc9c |
598 | && (tmps == PL_Argv[0])) { /* Cannot transfer `really' via shell. */ |
017f25f1 |
599 | do_script: |
600 | { |
a97be121 |
601 | int err = errno; |
602 | |
2c2e0e8c |
603 | if (err == ENOENT || err == ENOEXEC) { |
604 | /* No such file, or is a script. */ |
605 | /* Try adding script extensions to the file name, and |
606 | search on PATH. */ |
6b88bc9c |
607 | char *scr = find_script(PL_Argv[0], TRUE, NULL, 0); |
2c2e0e8c |
608 | |
609 | if (scr) { |
a03d92b2 |
610 | PerlIO *file; |
611 | SSize_t rd; |
612 | char *s = 0, *s1, *s2; |
e96326af |
613 | int l; |
2c2e0e8c |
614 | |
e96326af |
615 | l = strlen(scr); |
616 | |
617 | if (l >= sizeof scrbuf) { |
618 | Safefree(scr); |
619 | longbuf: |
23da6c43 |
620 | Perl_warner(aTHX_ WARN_EXEC, "Size of scriptname too big: %d", l); |
5838269b |
621 | rc = -1; |
622 | goto finish; |
e96326af |
623 | } |
624 | strcpy(scrbuf, scr); |
625 | Safefree(scr); |
626 | scr = scrbuf; |
627 | |
a03d92b2 |
628 | file = PerlIO_open(scr, "r"); |
6b88bc9c |
629 | PL_Argv[0] = scr; |
2c2e0e8c |
630 | if (!file) |
631 | goto panic_file; |
017f25f1 |
632 | |
a03d92b2 |
633 | rd = PerlIO_read(file, buf, sizeof buf-1); |
634 | buf[rd]='\0'; |
635 | if ((s2 = strchr(buf, '\n')) != NULL) *++s2 = '\0'; |
636 | |
637 | if (!rd) { /* Empty... */ |
017f25f1 |
638 | buf[0] = 0; |
a03d92b2 |
639 | PerlIO_close(file); |
017f25f1 |
640 | /* Special case: maybe from -Zexe build, so |
641 | there is an executable around (contrary to |
642 | documentation, DosQueryAppType sometimes (?) |
643 | does not append ".exe", so we could have |
644 | reached this place). */ |
6756f2f0 |
645 | if (l + 5 < sizeof scrbuf) { |
646 | strcpy(scrbuf + l, ".exe"); |
647 | if (PerlLIO_stat(scrbuf,&PL_statbuf) >= 0 |
017f25f1 |
648 | && !S_ISDIR(PL_statbuf.st_mode)) { |
649 | /* Found */ |
650 | tmps = scr; |
651 | pass++; |
652 | goto reread; |
6756f2f0 |
653 | } else |
654 | scrbuf[l] = 0; |
655 | } else |
656 | goto longbuf; |
2c2e0e8c |
657 | } |
a03d92b2 |
658 | if (PerlIO_close(file) != 0) { /* Failure */ |
2c2e0e8c |
659 | panic_file: |
23da6c43 |
660 | Perl_warner(aTHX_ WARN_EXEC, "Error reading \"%s\": %s", |
2c2e0e8c |
661 | scr, Strerror(errno)); |
662 | buf[0] = 0; /* Not #! */ |
663 | goto doshell_args; |
664 | } |
665 | if (buf[0] == '#') { |
666 | if (buf[1] == '!') |
667 | s = buf + 2; |
668 | } else if (buf[0] == 'e') { |
669 | if (strnEQ(buf, "extproc", 7) |
670 | && isSPACE(buf[7])) |
671 | s = buf + 8; |
672 | } else if (buf[0] == 'E') { |
673 | if (strnEQ(buf, "EXTPROC", 7) |
674 | && isSPACE(buf[7])) |
675 | s = buf + 8; |
676 | } |
677 | if (!s) { |
678 | buf[0] = 0; /* Not #! */ |
679 | goto doshell_args; |
680 | } |
681 | |
682 | s1 = s; |
683 | nargs = 0; |
684 | argsp = args; |
685 | while (1) { |
686 | /* Do better than pdksh: allow a few args, |
687 | strip trailing whitespace. */ |
688 | while (isSPACE(*s)) |
689 | s++; |
690 | if (*s == 0) |
691 | break; |
692 | if (nargs == 4) { |
693 | nargs = -1; |
694 | break; |
695 | } |
696 | args[nargs++] = s; |
697 | while (*s && !isSPACE(*s)) |
698 | s++; |
699 | if (*s == 0) |
700 | break; |
701 | *s++ = 0; |
702 | } |
703 | if (nargs == -1) { |
23da6c43 |
704 | Perl_warner(aTHX_ WARN_EXEC, "Too many args on %.*s line of \"%s\"", |
2c2e0e8c |
705 | s1 - buf, buf, scr); |
706 | nargs = 4; |
707 | argsp = fargs; |
708 | } |
709 | doshell_args: |
710 | { |
6b88bc9c |
711 | char **a = PL_Argv; |
2c2e0e8c |
712 | char *exec_args[2]; |
713 | |
017f25f1 |
714 | if (force_shell |
715 | || (!buf[0] && file)) { /* File without magic */ |
2c2e0e8c |
716 | /* In fact we tried all what pdksh would |
717 | try. There is no point in calling |
718 | pdksh, we may just emulate its logic. */ |
719 | char *shell = getenv("EXECSHELL"); |
720 | char *shell_opt = NULL; |
721 | |
722 | if (!shell) { |
723 | char *s; |
724 | |
725 | shell_opt = "/c"; |
726 | shell = getenv("OS2_SHELL"); |
727 | if (inicmd) { /* No spaces at start! */ |
728 | s = inicmd; |
729 | while (*s && !isSPACE(*s)) { |
730 | if (*s++ = '/') { |
731 | inicmd = NULL; /* Cannot use */ |
732 | break; |
733 | } |
734 | } |
735 | } |
736 | if (!inicmd) { |
6b88bc9c |
737 | s = PL_Argv[0]; |
2c2e0e8c |
738 | while (*s) { |
739 | /* Dosish shells will choke on slashes |
740 | in paths, fortunately, this is |
741 | important for zeroth arg only. */ |
742 | if (*s == '/') |
743 | *s = '\\'; |
744 | s++; |
745 | } |
491527d0 |
746 | } |
491527d0 |
747 | } |
2c2e0e8c |
748 | /* If EXECSHELL is set, we do not set */ |
749 | |
750 | if (!shell) |
751 | shell = ((_emx_env & 0x200) |
752 | ? "c:/os2/cmd.exe" |
753 | : "c:/command.com"); |
754 | nargs = shell_opt ? 2 : 1; /* shell file args */ |
755 | exec_args[0] = shell; |
756 | exec_args[1] = shell_opt; |
757 | argsp = exec_args; |
758 | if (nargs == 2 && inicmd) { |
759 | /* Use the original cmd line */ |
760 | /* XXXX This is good only until we refuse |
761 | quoted arguments... */ |
6b88bc9c |
762 | PL_Argv[0] = inicmd; |
763 | PL_Argv[1] = Nullch; |
491527d0 |
764 | } |
2c2e0e8c |
765 | } else if (!buf[0] && inicmd) { /* No file */ |
766 | /* Start with the original cmdline. */ |
767 | /* XXXX This is good only until we refuse |
768 | quoted arguments... */ |
769 | |
6b88bc9c |
770 | PL_Argv[0] = inicmd; |
771 | PL_Argv[1] = Nullch; |
2c2e0e8c |
772 | nargs = 2; /* shell -c */ |
773 | } |
774 | |
775 | while (a[1]) /* Get to the end */ |
776 | a++; |
777 | a++; /* Copy finil NULL too */ |
6b88bc9c |
778 | while (a >= PL_Argv) { |
779 | *(a + nargs) = *a; /* PL_Argv was preallocated to be |
2c2e0e8c |
780 | long enough. */ |
781 | a--; |
491527d0 |
782 | } |
d5d69632 |
783 | while (--nargs >= 0) |
6b88bc9c |
784 | PL_Argv[nargs] = argsp[nargs]; |
2c2e0e8c |
785 | /* Enable pathless exec if #! (as pdksh). */ |
786 | pass = (buf[0] == '#' ? 2 : 3); |
787 | goto retry; |
e29f6e02 |
788 | } |
789 | } |
2c2e0e8c |
790 | /* Not found: restore errno */ |
491527d0 |
791 | errno = err; |
2c2e0e8c |
792 | } |
017f25f1 |
793 | } |
a97be121 |
794 | } else if (rc < 0 && pass == 2 && errno == ENOENT) { /* File not found */ |
6b88bc9c |
795 | char *no_dir = strrchr(PL_Argv[0], '/'); |
2c2e0e8c |
796 | |
797 | /* Do as pdksh port does: if not found with /, try without |
798 | path. */ |
799 | if (no_dir) { |
6b88bc9c |
800 | PL_Argv[0] = no_dir + 1; |
2c2e0e8c |
801 | pass++; |
e29f6e02 |
802 | goto retry; |
803 | } |
804 | } |
0453d815 |
805 | if (rc < 0 && ckWARN(WARN_EXEC)) |
806 | Perl_warner(aTHX_ WARN_EXEC, "Can't %s \"%s\": %s\n", |
491527d0 |
807 | ((execf != EXECF_EXEC && execf != EXECF_TRUEEXEC) |
808 | ? "spawn" : "exec"), |
a97be121 |
809 | PL_Argv[0], Strerror(errno)); |
491527d0 |
810 | if (rc < 0 && (execf != EXECF_SPAWN_NOWAIT) |
811 | && ((trueflag & 0xFF) == P_WAIT)) |
ed344e4f |
812 | rc = -1; |
491527d0 |
813 | |
5838269b |
814 | finish: |
815 | if (new_stderr != -1) { /* How can we use error codes? */ |
816 | dup2(new_stderr, 2); |
817 | close(new_stderr); |
818 | fcntl(2, F_SETFD, fl_stderr); |
819 | } else if (nostderr) |
820 | close(2); |
491527d0 |
821 | return rc; |
822 | } |
823 | |
491527d0 |
824 | /* Try converting 1-arg form to (usually shell-less) multi-arg form. */ |
4633a7c4 |
825 | int |
23da6c43 |
826 | do_spawn3(pTHX_ char *cmd, int execf, int flag) |
4633a7c4 |
827 | { |
23da6c43 |
828 | dTHR; |
4633a7c4 |
829 | register char **a; |
830 | register char *s; |
831 | char flags[10]; |
3bbf9c2b |
832 | char *shell, *copt, *news = NULL; |
5838269b |
833 | int rc, err, seenspace = 0, mergestderr = 0; |
e29f6e02 |
834 | char fullcmd[MAXNAMLEN + 1]; |
4633a7c4 |
835 | |
c0c09dfd |
836 | #ifdef TRYSHELL |
837 | if ((shell = getenv("EMXSHELL")) != NULL) |
838 | copt = "-c"; |
839 | else if ((shell = getenv("SHELL")) != NULL) |
4633a7c4 |
840 | copt = "-c"; |
841 | else if ((shell = getenv("COMSPEC")) != NULL) |
842 | copt = "/C"; |
843 | else |
844 | shell = "cmd.exe"; |
c0c09dfd |
845 | #else |
846 | /* Consensus on perl5-porters is that it is _very_ important to |
847 | have a shell which will not change between computers with the |
848 | same architecture, to avoid "action on a distance". |
849 | And to have simple build, this shell should be sh. */ |
6b88bc9c |
850 | shell = PL_sh_path; |
c0c09dfd |
851 | copt = "-c"; |
852 | #endif |
853 | |
854 | while (*cmd && isSPACE(*cmd)) |
855 | cmd++; |
4633a7c4 |
856 | |
3bbf9c2b |
857 | if (strnEQ(cmd,"/bin/sh",7) && isSPACE(cmd[7])) { |
6b88bc9c |
858 | STRLEN l = strlen(PL_sh_path); |
3bbf9c2b |
859 | |
2cc2f81f |
860 | New(1302, news, strlen(cmd) - 7 + l + 1, char); |
6b88bc9c |
861 | strcpy(news, PL_sh_path); |
3bbf9c2b |
862 | strcpy(news + l, cmd + 7); |
863 | cmd = news; |
864 | } |
865 | |
4633a7c4 |
866 | /* save an extra exec if possible */ |
867 | /* see if there are shell metacharacters in it */ |
868 | |
c0c09dfd |
869 | if (*cmd == '.' && isSPACE(cmd[1])) |
870 | goto doshell; |
871 | |
872 | if (strnEQ(cmd,"exec",4) && isSPACE(cmd[4])) |
873 | goto doshell; |
874 | |
875 | for (s = cmd; *s && isALPHA(*s); s++) ; /* catch VAR=val gizmo */ |
876 | if (*s == '=') |
877 | goto doshell; |
878 | |
4633a7c4 |
879 | for (s = cmd; *s; s++) { |
c0c09dfd |
880 | if (*s != ' ' && !isALPHA(*s) && strchr("$&*(){}[]'\";\\|?<>~`\n",*s)) { |
3bbf9c2b |
881 | if (*s == '\n' && s[1] == '\0') { |
4633a7c4 |
882 | *s = '\0'; |
883 | break; |
a0914d8e |
884 | } else if (*s == '\\' && !seenspace) { |
885 | continue; /* Allow backslashes in names */ |
5838269b |
886 | } else if (*s == '>' && s >= cmd + 3 |
887 | && s[-1] == '2' && s[1] == '&' && s[2] == '1' |
888 | && isSPACE(s[-2]) ) { |
889 | char *t = s + 3; |
890 | |
891 | while (*t && isSPACE(*t)) |
892 | t++; |
893 | if (!*t) { |
894 | s[-2] = '\0'; |
895 | mergestderr = 1; |
896 | break; /* Allow 2>&1 as the last thing */ |
897 | } |
4633a7c4 |
898 | } |
491527d0 |
899 | /* We do not convert this to do_spawn_ve since shell |
900 | should be smart enough to start itself gloriously. */ |
c0c09dfd |
901 | doshell: |
760ac839 |
902 | if (execf == EXECF_TRUEEXEC) |
2c2e0e8c |
903 | rc = execl(shell,shell,copt,cmd,(char*)0); |
760ac839 |
904 | else if (execf == EXECF_EXEC) |
2c2e0e8c |
905 | rc = spawnl(P_OVERLAY,shell,shell,copt,cmd,(char*)0); |
72ea3524 |
906 | else if (execf == EXECF_SPAWN_NOWAIT) |
2c2e0e8c |
907 | rc = spawnl(P_NOWAIT,shell,shell,copt,cmd,(char*)0); |
4435c477 |
908 | else if (execf == EXECF_SPAWN_BYFLAG) |
909 | rc = spawnl(flag,shell,shell,copt,cmd,(char*)0); |
2c2e0e8c |
910 | else { |
911 | /* In the ak code internal P_NOWAIT is P_WAIT ??? */ |
23da6c43 |
912 | rc = result(aTHX_ P_WAIT, |
2c2e0e8c |
913 | spawnl(P_NOWAIT,shell,shell,copt,cmd,(char*)0)); |
0453d815 |
914 | if (rc < 0 && ckWARN(WARN_EXEC)) |
915 | Perl_warner(aTHX_ WARN_EXEC, "Can't %s \"%s\": %s", |
2c2e0e8c |
916 | (execf == EXECF_SPAWN ? "spawn" : "exec"), |
917 | shell, Strerror(errno)); |
ed344e4f |
918 | if (rc < 0) |
919 | rc = -1; |
2c2e0e8c |
920 | } |
921 | if (news) |
922 | Safefree(news); |
c0c09dfd |
923 | return rc; |
a0914d8e |
924 | } else if (*s == ' ' || *s == '\t') { |
925 | seenspace = 1; |
4633a7c4 |
926 | } |
927 | } |
c0c09dfd |
928 | |
491527d0 |
929 | /* cmd="a" may lead to "sh", "-c", "\"$@\"", "a", "a.cmd", NULL */ |
6b88bc9c |
930 | New(1303,PL_Argv, (s - cmd + 11) / 2, char*); |
931 | PL_Cmd = savepvn(cmd, s-cmd); |
932 | a = PL_Argv; |
933 | for (s = PL_Cmd; *s;) { |
4633a7c4 |
934 | while (*s && isSPACE(*s)) s++; |
935 | if (*s) |
936 | *(a++) = s; |
937 | while (*s && !isSPACE(*s)) s++; |
938 | if (*s) |
939 | *s++ = '\0'; |
940 | } |
941 | *a = Nullch; |
6b88bc9c |
942 | if (PL_Argv[0]) |
23da6c43 |
943 | rc = do_spawn_ve(aTHX_ NULL, flag, execf, cmd, mergestderr); |
491527d0 |
944 | else |
4633a7c4 |
945 | rc = -1; |
2c2e0e8c |
946 | if (news) |
947 | Safefree(news); |
4633a7c4 |
948 | do_execfree(); |
949 | return rc; |
950 | } |
951 | |
4435c477 |
952 | /* Array spawn. */ |
953 | int |
23da6c43 |
954 | os2_do_aspawn(pTHX_ SV *really, register SV **mark, register SV **sp) |
4435c477 |
955 | { |
956 | dTHR; |
957 | register char **a; |
958 | int rc; |
959 | int flag = P_WAIT, flag_set = 0; |
960 | STRLEN n_a; |
961 | |
962 | if (sp > mark) { |
963 | New(1301,PL_Argv, sp - mark + 3, char*); |
964 | a = PL_Argv; |
965 | |
966 | if (mark < sp && SvNIOKp(*(mark+1)) && !SvPOKp(*(mark+1))) { |
967 | ++mark; |
968 | flag = SvIVx(*mark); |
969 | flag_set = 1; |
970 | |
971 | } |
972 | |
973 | while (++mark <= sp) { |
974 | if (*mark) |
975 | *a++ = SvPVx(*mark, n_a); |
976 | else |
977 | *a++ = ""; |
978 | } |
979 | *a = Nullch; |
980 | |
981 | if (flag_set && (a == PL_Argv + 1)) { /* One arg? */ |
23da6c43 |
982 | rc = do_spawn3(aTHX_ a[-1], EXECF_SPAWN_BYFLAG, flag); |
4435c477 |
983 | } else |
23da6c43 |
984 | rc = do_spawn_ve(aTHX_ really, flag, EXECF_SPAWN, NULL, 0); |
4435c477 |
985 | } else |
986 | rc = -1; |
987 | do_execfree(); |
988 | return rc; |
989 | } |
990 | |
760ac839 |
991 | int |
23da6c43 |
992 | os2_do_spawn(pTHX_ char *cmd) |
760ac839 |
993 | { |
23da6c43 |
994 | dTHR; |
995 | return do_spawn3(aTHX_ cmd, EXECF_SPAWN, 0); |
760ac839 |
996 | } |
997 | |
72ea3524 |
998 | int |
23da6c43 |
999 | do_spawn_nowait(pTHX_ char *cmd) |
72ea3524 |
1000 | { |
23da6c43 |
1001 | dTHR; |
1002 | return do_spawn3(aTHX_ cmd, EXECF_SPAWN_NOWAIT,0); |
72ea3524 |
1003 | } |
1004 | |
760ac839 |
1005 | bool |
23da6c43 |
1006 | Perl_do_exec(pTHX_ char *cmd) |
760ac839 |
1007 | { |
23da6c43 |
1008 | dTHR; |
1009 | do_spawn3(aTHX_ cmd, EXECF_EXEC, 0); |
017f25f1 |
1010 | return FALSE; |
760ac839 |
1011 | } |
1012 | |
1013 | bool |
23da6c43 |
1014 | os2exec(pTHX_ char *cmd) |
760ac839 |
1015 | { |
23da6c43 |
1016 | dTHR; |
1017 | return do_spawn3(aTHX_ cmd, EXECF_TRUEEXEC, 0); |
760ac839 |
1018 | } |
1019 | |
3bbf9c2b |
1020 | PerlIO * |
23da6c43 |
1021 | my_syspopen(pTHX_ char *cmd, char *mode) |
c0c09dfd |
1022 | { |
72ea3524 |
1023 | #ifndef USE_POPEN |
1024 | |
1025 | int p[2]; |
1026 | register I32 this, that, newfd; |
1027 | register I32 pid, rc; |
3bbf9c2b |
1028 | PerlIO *res; |
1029 | SV *sv; |
5838269b |
1030 | int fh_fl; |
72ea3524 |
1031 | |
72ea3524 |
1032 | /* `this' is what we use in the parent, `that' in the child. */ |
1033 | this = (*mode == 'w'); |
1034 | that = !this; |
6b88bc9c |
1035 | if (PL_tainting) { |
72ea3524 |
1036 | taint_env(); |
1037 | taint_proper("Insecure %s%s", "EXEC"); |
1038 | } |
c2267164 |
1039 | if (pipe(p) < 0) |
1040 | return Nullfp; |
72ea3524 |
1041 | /* Now we need to spawn the child. */ |
5838269b |
1042 | if (p[this] == (*mode == 'r')) { /* if fh 0/1 was initially closed. */ |
1043 | int new = dup(p[this]); |
1044 | |
1045 | if (new == -1) |
1046 | goto closepipes; |
1047 | close(p[this]); |
1048 | p[this] = new; |
1049 | } |
72ea3524 |
1050 | newfd = dup(*mode == 'r'); /* Preserve std* */ |
5838269b |
1051 | if (newfd == -1) { |
1052 | /* This cannot happen due to fh being bad after pipe(), since |
1053 | pipe() should have created fh 0 and 1 even if they were |
1054 | initially closed. But we closed p[this] before. */ |
1055 | if (errno != EBADF) { |
1056 | closepipes: |
1057 | close(p[0]); |
1058 | close(p[1]); |
1059 | return Nullfp; |
1060 | } |
1061 | } else |
1062 | fh_fl = fcntl(*mode == 'r', F_GETFD); |
1063 | if (p[that] != (*mode == 'r')) { /* if fh 0/1 was initially closed. */ |
72ea3524 |
1064 | dup2(p[that], *mode == 'r'); |
1065 | close(p[that]); |
1066 | } |
1067 | /* Where is `this' and newfd now? */ |
1068 | fcntl(p[this], F_SETFD, FD_CLOEXEC); |
5838269b |
1069 | if (newfd != -1) |
1070 | fcntl(newfd, F_SETFD, FD_CLOEXEC); |
23da6c43 |
1071 | pid = do_spawn_nowait(aTHX_ cmd); |
5838269b |
1072 | if (newfd == -1) |
1073 | close(*mode == 'r'); /* It was closed initially */ |
1074 | else if (newfd != (*mode == 'r')) { /* Probably this check is not needed */ |
72ea3524 |
1075 | dup2(newfd, *mode == 'r'); /* Return std* back. */ |
1076 | close(newfd); |
5838269b |
1077 | fcntl(*mode == 'r', F_SETFD, fh_fl); |
1078 | } else |
1079 | fcntl(*mode == 'r', F_SETFD, fh_fl); |
491527d0 |
1080 | if (p[that] == (*mode == 'r')) |
1081 | close(p[that]); |
72ea3524 |
1082 | if (pid == -1) { |
1083 | close(p[this]); |
5838269b |
1084 | return Nullfp; |
72ea3524 |
1085 | } |
5838269b |
1086 | if (p[that] < p[this]) { /* Make fh as small as possible */ |
72ea3524 |
1087 | dup2(p[this], p[that]); |
1088 | close(p[this]); |
1089 | p[this] = p[that]; |
1090 | } |
6b88bc9c |
1091 | sv = *av_fetch(PL_fdpid,p[this],TRUE); |
72ea3524 |
1092 | (void)SvUPGRADE(sv,SVt_IV); |
1093 | SvIVX(sv) = pid; |
6b88bc9c |
1094 | PL_forkprocess = pid; |
72ea3524 |
1095 | return PerlIO_fdopen(p[this], mode); |
3bbf9c2b |
1096 | |
72ea3524 |
1097 | #else /* USE_POPEN */ |
1098 | |
1099 | PerlIO *res; |
1100 | SV *sv; |
1101 | |
1102 | # ifdef TRYSHELL |
3bbf9c2b |
1103 | res = popen(cmd, mode); |
72ea3524 |
1104 | # else |
c0c09dfd |
1105 | char *shell = getenv("EMXSHELL"); |
3bbf9c2b |
1106 | |
6b88bc9c |
1107 | my_setenv("EMXSHELL", PL_sh_path); |
c0c09dfd |
1108 | res = popen(cmd, mode); |
1109 | my_setenv("EMXSHELL", shell); |
72ea3524 |
1110 | # endif |
6b88bc9c |
1111 | sv = *av_fetch(PL_fdpid, PerlIO_fileno(res), TRUE); |
3bbf9c2b |
1112 | (void)SvUPGRADE(sv,SVt_IV); |
1113 | SvIVX(sv) = -1; /* A cooky. */ |
1114 | return res; |
72ea3524 |
1115 | |
1116 | #endif /* USE_POPEN */ |
1117 | |
c0c09dfd |
1118 | } |
1119 | |
3bbf9c2b |
1120 | /******************************************************************/ |
4633a7c4 |
1121 | |
1122 | #ifndef HAS_FORK |
1123 | int |
1124 | fork(void) |
1125 | { |
23da6c43 |
1126 | Perl_croak_nocontext(PL_no_func, "Unsupported function fork"); |
4633a7c4 |
1127 | errno = EINVAL; |
1128 | return -1; |
1129 | } |
1130 | #endif |
1131 | |
3bbf9c2b |
1132 | /*******************************************************************/ |
46e87256 |
1133 | /* not implemented in EMX 0.9d */ |
4633a7c4 |
1134 | |
46e87256 |
1135 | char * ctermid(char *s) { return 0; } |
eacfb5f1 |
1136 | |
1137 | #ifdef MYTTYNAME /* was not in emx0.9a */ |
4633a7c4 |
1138 | void * ttyname(x) { return 0; } |
eacfb5f1 |
1139 | #endif |
4633a7c4 |
1140 | |
3bbf9c2b |
1141 | /******************************************************************/ |
760ac839 |
1142 | /* my socket forwarders - EMX lib only provides static forwarders */ |
1143 | |
1144 | static HMODULE htcp = 0; |
1145 | |
1146 | static void * |
1147 | tcp0(char *name) |
1148 | { |
1149 | static BYTE buf[20]; |
1150 | PFN fcn; |
55497cff |
1151 | |
23da6c43 |
1152 | if (!(_emx_env & 0x200)) Perl_croak_nocontext("%s requires OS/2", name); /* Die if not OS/2. */ |
760ac839 |
1153 | if (!htcp) |
1154 | DosLoadModule(buf, sizeof buf, "tcp32dll", &htcp); |
1155 | if (htcp && DosQueryProcAddr(htcp, 0, name, &fcn) == 0) |
1156 | return (void *) ((void * (*)(void)) fcn) (); |
1157 | return 0; |
1158 | } |
1159 | |
1160 | static void |
1161 | tcp1(char *name, int arg) |
1162 | { |
1163 | static BYTE buf[20]; |
1164 | PFN fcn; |
55497cff |
1165 | |
23da6c43 |
1166 | if (!(_emx_env & 0x200)) Perl_croak_nocontext("%s requires OS/2", name); /* Die if not OS/2. */ |
760ac839 |
1167 | if (!htcp) |
1168 | DosLoadModule(buf, sizeof buf, "tcp32dll", &htcp); |
1169 | if (htcp && DosQueryProcAddr(htcp, 0, name, &fcn) == 0) |
1170 | ((void (*)(int)) fcn) (arg); |
1171 | } |
1172 | |
1173 | void * gethostent() { return tcp0("GETHOSTENT"); } |
1174 | void * getnetent() { return tcp0("GETNETENT"); } |
1175 | void * getprotoent() { return tcp0("GETPROTOENT"); } |
1176 | void * getservent() { return tcp0("GETSERVENT"); } |
1177 | void sethostent(x) { tcp1("SETHOSTENT", x); } |
1178 | void setnetent(x) { tcp1("SETNETENT", x); } |
1179 | void setprotoent(x) { tcp1("SETPROTOENT", x); } |
1180 | void setservent(x) { tcp1("SETSERVENT", x); } |
1181 | void endhostent() { tcp0("ENDHOSTENT"); } |
1182 | void endnetent() { tcp0("ENDNETENT"); } |
1183 | void endprotoent() { tcp0("ENDPROTOENT"); } |
1184 | void endservent() { tcp0("ENDSERVENT"); } |
1185 | |
1186 | /*****************************************************************************/ |
1187 | /* not implemented in C Set++ */ |
1188 | |
1189 | #ifndef __EMX__ |
1190 | int setuid(x) { errno = EINVAL; return -1; } |
1191 | int setgid(x) { errno = EINVAL; return -1; } |
1192 | #endif |
4633a7c4 |
1193 | |
1194 | /*****************************************************************************/ |
1195 | /* stat() hack for char/block device */ |
1196 | |
1197 | #if OS2_STAT_HACK |
1198 | |
1199 | /* First attempt used DosQueryFSAttach which crashed the system when |
1200 | used with 5.001. Now just look for /dev/. */ |
1201 | |
1202 | int |
1203 | os2_stat(char *name, struct stat *st) |
1204 | { |
1205 | static int ino = SHRT_MAX; |
1206 | |
1207 | if (stricmp(name, "/dev/con") != 0 |
1208 | && stricmp(name, "/dev/tty") != 0) |
1209 | return stat(name, st); |
1210 | |
1211 | memset(st, 0, sizeof *st); |
1212 | st->st_mode = S_IFCHR|0666; |
1213 | st->st_ino = (ino-- & 0x7FFF); |
1214 | st->st_nlink = 1; |
1215 | return 0; |
1216 | } |
1217 | |
1218 | #endif |
c0c09dfd |
1219 | |
760ac839 |
1220 | #ifdef USE_PERL_SBRK |
c0c09dfd |
1221 | |
760ac839 |
1222 | /* SBRK() emulation, mostly moved to malloc.c. */ |
c0c09dfd |
1223 | |
1224 | void * |
760ac839 |
1225 | sys_alloc(int size) { |
1226 | void *got; |
1227 | APIRET rc = DosAllocMem(&got, size, PAG_COMMIT | PAG_WRITE); |
1228 | |
c0c09dfd |
1229 | if (rc == ERROR_NOT_ENOUGH_MEMORY) { |
1230 | return (void *) -1; |
4bfbfac5 |
1231 | } else if ( rc ) |
23da6c43 |
1232 | Perl_croak_nocontext("Got an error from DosAllocMem: %li", (long)rc); |
760ac839 |
1233 | return got; |
c0c09dfd |
1234 | } |
760ac839 |
1235 | |
1236 | #endif /* USE_PERL_SBRK */ |
c0c09dfd |
1237 | |
1238 | /* tmp path */ |
1239 | |
1240 | char *tmppath = TMPPATH1; |
1241 | |
1242 | void |
1243 | settmppath() |
1244 | { |
1245 | char *p = getenv("TMP"), *tpath; |
1246 | int len; |
1247 | |
1248 | if (!p) p = getenv("TEMP"); |
1249 | if (!p) return; |
1250 | len = strlen(p); |
1251 | tpath = (char *)malloc(len + strlen(TMPPATH1) + 2); |
db7c17d7 |
1252 | if (tpath) { |
1253 | strcpy(tpath, p); |
1254 | tpath[len] = '/'; |
1255 | strcpy(tpath + len + 1, TMPPATH1); |
1256 | tmppath = tpath; |
1257 | } |
c0c09dfd |
1258 | } |
7a2f0d5b |
1259 | |
1260 | #include "XSUB.h" |
1261 | |
1262 | XS(XS_File__Copy_syscopy) |
1263 | { |
1264 | dXSARGS; |
1265 | if (items < 2 || items > 3) |
23da6c43 |
1266 | Perl_croak_nocontext("Usage: File::Copy::syscopy(src,dst,flag=0)"); |
7a2f0d5b |
1267 | { |
2d8e6c8d |
1268 | STRLEN n_a; |
1269 | char * src = (char *)SvPV(ST(0),n_a); |
1270 | char * dst = (char *)SvPV(ST(1),n_a); |
7a2f0d5b |
1271 | U32 flag; |
1272 | int RETVAL, rc; |
1273 | |
1274 | if (items < 3) |
1275 | flag = 0; |
1276 | else { |
1277 | flag = (unsigned long)SvIV(ST(2)); |
1278 | } |
1279 | |
6f064249 |
1280 | RETVAL = !CheckOSError(DosCopy(src, dst, flag)); |
7a2f0d5b |
1281 | ST(0) = sv_newmortal(); |
1282 | sv_setiv(ST(0), (IV)RETVAL); |
1283 | } |
1284 | XSRETURN(1); |
1285 | } |
1286 | |
017f25f1 |
1287 | #include "patchlevel.h" |
1288 | |
6f064249 |
1289 | char * |
23da6c43 |
1290 | mod2fname(pTHX_ SV *sv) |
6f064249 |
1291 | { |
1292 | static char fname[9]; |
760ac839 |
1293 | int pos = 6, len, avlen; |
1294 | unsigned int sum = 0; |
6f064249 |
1295 | AV *av; |
1296 | SV *svp; |
1297 | char *s; |
2d8e6c8d |
1298 | STRLEN n_a; |
6f064249 |
1299 | |
23da6c43 |
1300 | if (!SvROK(sv)) Perl_croak_nocontext("Not a reference given to mod2fname"); |
6f064249 |
1301 | sv = SvRV(sv); |
1302 | if (SvTYPE(sv) != SVt_PVAV) |
23da6c43 |
1303 | Perl_croak_nocontext("Not array reference given to mod2fname"); |
760ac839 |
1304 | |
1305 | avlen = av_len((AV*)sv); |
1306 | if (avlen < 0) |
23da6c43 |
1307 | Perl_croak_nocontext("Empty array reference given to mod2fname"); |
760ac839 |
1308 | |
2d8e6c8d |
1309 | s = SvPV(*av_fetch((AV*)sv, avlen, FALSE), n_a); |
6f064249 |
1310 | strncpy(fname, s, 8); |
760ac839 |
1311 | len = strlen(s); |
1312 | if (len < 6) pos = len; |
1313 | while (*s) { |
1314 | sum = 33 * sum + *(s++); /* Checksumming first chars to |
1315 | * get the capitalization into c.s. */ |
1316 | } |
1317 | avlen --; |
1318 | while (avlen >= 0) { |
2d8e6c8d |
1319 | s = SvPV(*av_fetch((AV*)sv, avlen, FALSE), n_a); |
760ac839 |
1320 | while (*s) { |
1321 | sum = 33 * sum + *(s++); /* 7 is primitive mod 13. */ |
1322 | } |
1323 | avlen --; |
1324 | } |
3aefca04 |
1325 | #ifdef USE_THREADS |
1326 | sum++; /* Avoid conflict of DLLs in memory. */ |
1327 | #endif |
cceca5ed |
1328 | sum += PERL_VERSION * 200 + PERL_SUBVERSION * 2; /* */ |
760ac839 |
1329 | fname[pos] = 'A' + (sum % 26); |
1330 | fname[pos + 1] = 'A' + (sum / 26 % 26); |
1331 | fname[pos + 2] = '\0'; |
6f064249 |
1332 | return (char *)fname; |
1333 | } |
1334 | |
1335 | XS(XS_DynaLoader_mod2fname) |
1336 | { |
1337 | dXSARGS; |
1338 | if (items != 1) |
23da6c43 |
1339 | Perl_croak_nocontext("Usage: DynaLoader::mod2fname(sv)"); |
6f064249 |
1340 | { |
1341 | SV * sv = ST(0); |
1342 | char * RETVAL; |
1343 | |
23da6c43 |
1344 | RETVAL = mod2fname(aTHX_ sv); |
6f064249 |
1345 | ST(0) = sv_newmortal(); |
1346 | sv_setpv((SV*)ST(0), RETVAL); |
1347 | } |
1348 | XSRETURN(1); |
1349 | } |
1350 | |
1351 | char * |
1352 | os2error(int rc) |
1353 | { |
1354 | static char buf[300]; |
1355 | ULONG len; |
1356 | |
55497cff |
1357 | if (!(_emx_env & 0x200)) return ""; /* Nop if not OS/2. */ |
6f064249 |
1358 | if (rc == 0) |
1359 | return NULL; |
1360 | if (DosGetMessage(NULL, 0, buf, sizeof buf - 1, rc, "OSO001.MSG", &len)) |
1361 | sprintf(buf, "OS/2 system error code %d=0x%x", rc, rc); |
ed344e4f |
1362 | else { |
6f064249 |
1363 | buf[len] = '\0'; |
ed344e4f |
1364 | if (len && buf[len - 1] == '\n') |
1365 | buf[--len] = 0; |
1366 | if (len && buf[len - 1] == '\r') |
1367 | buf[--len] = 0; |
1368 | if (len && buf[len - 1] == '.') |
1369 | buf[--len] = 0; |
1370 | } |
6f064249 |
1371 | return buf; |
1372 | } |
1373 | |
760ac839 |
1374 | char * |
23da6c43 |
1375 | os2_execname(pTHX) |
ed344e4f |
1376 | { |
23da6c43 |
1377 | dTHR; |
ed344e4f |
1378 | char buf[300], *p; |
1379 | |
1380 | if (_execname(buf, sizeof buf) != 0) |
1381 | return PL_origargv[0]; |
1382 | p = buf; |
1383 | while (*p) { |
1384 | if (*p == '\\') |
1385 | *p = '/'; |
1386 | p++; |
1387 | } |
1388 | p = savepv(buf); |
1389 | SAVEFREEPV(p); |
1390 | return p; |
1391 | } |
1392 | |
1393 | char * |
760ac839 |
1394 | perllib_mangle(char *s, unsigned int l) |
1395 | { |
1396 | static char *newp, *oldp; |
1397 | static int newl, oldl, notfound; |
1398 | static char ret[STATIC_FILE_LENGTH+1]; |
1399 | |
1400 | if (!newp && !notfound) { |
1401 | newp = getenv("PERLLIB_PREFIX"); |
1402 | if (newp) { |
ff68c719 |
1403 | char *s; |
1404 | |
760ac839 |
1405 | oldp = newp; |
89078e0f |
1406 | while (*newp && !isSPACE(*newp) && *newp != ';') { |
760ac839 |
1407 | newp++; oldl++; /* Skip digits. */ |
1408 | } |
1409 | while (*newp && (isSPACE(*newp) || *newp == ';')) { |
1410 | newp++; /* Skip whitespace. */ |
1411 | } |
1412 | newl = strlen(newp); |
1413 | if (newl == 0 || oldl == 0) { |
23da6c43 |
1414 | Perl_croak_nocontext("Malformed PERLLIB_PREFIX"); |
760ac839 |
1415 | } |
ff68c719 |
1416 | strcpy(ret, newp); |
1417 | s = ret; |
1418 | while (*s) { |
1419 | if (*s == '\\') *s = '/'; |
1420 | s++; |
1421 | } |
760ac839 |
1422 | } else { |
1423 | notfound = 1; |
1424 | } |
1425 | } |
1426 | if (!newp) { |
1427 | return s; |
1428 | } |
1429 | if (l == 0) { |
1430 | l = strlen(s); |
1431 | } |
3bbf9c2b |
1432 | if (l < oldl || strnicmp(oldp, s, oldl) != 0) { |
760ac839 |
1433 | return s; |
1434 | } |
1435 | if (l + newl - oldl > STATIC_FILE_LENGTH || newl > STATIC_FILE_LENGTH) { |
23da6c43 |
1436 | Perl_croak_nocontext("Malformed PERLLIB_PREFIX"); |
760ac839 |
1437 | } |
89078e0f |
1438 | strcpy(ret + newl, s + oldl); |
760ac839 |
1439 | return ret; |
1440 | } |
6f064249 |
1441 | |
4bfbfac5 |
1442 | unsigned long |
1443 | Perl_hab_GET() /* Needed if perl.h cannot be included */ |
1444 | { |
1445 | return perl_hab_GET(); |
1446 | } |
1447 | |
1448 | HMQ |
1449 | Perl_Register_MQ(int serve) |
1450 | { |
1451 | PPIB pib; |
1452 | PTIB tib; |
1453 | |
1454 | if (Perl_os2_initial_mode++) |
1455 | return Perl_hmq; |
1456 | DosGetInfoBlocks(&tib, &pib); |
1457 | Perl_os2_initial_mode = pib->pib_ultype; |
1458 | Perl_hmq_refcnt = 1; |
1459 | /* Try morphing into a PM application. */ |
1460 | if (pib->pib_ultype != 3) /* 2 is VIO */ |
1461 | pib->pib_ultype = 3; /* 3 is PM */ |
1462 | init_PMWIN_entries(); |
1463 | /* 64 messages if before OS/2 3.0, ignored otherwise */ |
1464 | Perl_hmq = (*PMWIN_entries.CreateMsgQueue)(perl_hab_GET(), 64); |
1465 | if (!Perl_hmq) { |
1466 | static int cnt; |
1467 | if (cnt++) |
1468 | _exit(188); /* Panic can try to create a window. */ |
23da6c43 |
1469 | Perl_croak_nocontext("Cannot create a message queue, or morph to a PM application"); |
4bfbfac5 |
1470 | } |
1471 | return Perl_hmq; |
1472 | } |
1473 | |
1474 | int |
1475 | Perl_Serve_Messages(int force) |
1476 | { |
1477 | int cnt = 0; |
1478 | QMSG msg; |
1479 | |
1480 | if (Perl_hmq_servers && !force) |
1481 | return 0; |
1482 | if (!Perl_hmq_refcnt) |
23da6c43 |
1483 | Perl_croak_nocontext("No message queue"); |
4bfbfac5 |
1484 | while ((*PMWIN_entries.PeekMsg)(Perl_hab, &msg, NULLHANDLE, 0, 0, PM_REMOVE)) { |
1485 | cnt++; |
1486 | if (msg.msg == WM_QUIT) |
23da6c43 |
1487 | Perl_croak_nocontext("QUITing..."); |
4bfbfac5 |
1488 | (*PMWIN_entries.DispatchMsg)(Perl_hab, &msg); |
1489 | } |
1490 | return cnt; |
1491 | } |
1492 | |
1493 | int |
1494 | Perl_Process_Messages(int force, I32 *cntp) |
1495 | { |
1496 | QMSG msg; |
1497 | |
1498 | if (Perl_hmq_servers && !force) |
1499 | return 0; |
1500 | if (!Perl_hmq_refcnt) |
23da6c43 |
1501 | Perl_croak_nocontext("No message queue"); |
4bfbfac5 |
1502 | while ((*PMWIN_entries.GetMsg)(Perl_hab, &msg, NULLHANDLE, 0, 0)) { |
1503 | if (cntp) |
1504 | (*cntp)++; |
1505 | (*PMWIN_entries.DispatchMsg)(Perl_hab, &msg); |
1506 | if (msg.msg == WM_DESTROY) |
1507 | return -1; |
1508 | if (msg.msg == WM_CREATE) |
1509 | return +1; |
1510 | } |
23da6c43 |
1511 | Perl_croak_nocontext("QUITing..."); |
4bfbfac5 |
1512 | } |
1513 | |
1514 | void |
1515 | Perl_Deregister_MQ(int serve) |
1516 | { |
1517 | PPIB pib; |
1518 | PTIB tib; |
1519 | |
1520 | if (--Perl_hmq_refcnt == 0) { |
1521 | (*PMWIN_entries.DestroyMsgQueue)(Perl_hmq); |
1522 | Perl_hmq = 0; |
1523 | /* Try morphing back from a PM application. */ |
1524 | if (pib->pib_ultype == 3) /* 3 is PM */ |
1525 | pib->pib_ultype = Perl_os2_initial_mode; |
1526 | else |
23da6c43 |
1527 | Perl_warn_nocontext("Unexpected program mode %d when morphing back from PM", |
4bfbfac5 |
1528 | pib->pib_ultype); |
1529 | } |
1530 | } |
1531 | |
6f064249 |
1532 | extern void dlopen(); |
1533 | void *fakedl = &dlopen; /* Pull in dynaloading part. */ |
3bbf9c2b |
1534 | |
1535 | #define sys_is_absolute(path) ( isALPHA((path)[0]) && (path)[1] == ':' \ |
1536 | && ((path)[2] == '/' || (path)[2] == '\\')) |
1537 | #define sys_is_rooted _fnisabs |
1538 | #define sys_is_relative _fnisrel |
1539 | #define current_drive _getdrive |
1540 | |
1541 | #undef chdir /* Was _chdir2. */ |
1542 | #define sys_chdir(p) (chdir(p) == 0) |
1543 | #define change_drive(d) (_chdrive(d), (current_drive() == toupper(d))) |
1544 | |
4bfbfac5 |
1545 | static int DOS_harderr_state = -1; |
1546 | |
1547 | XS(XS_OS2_Error) |
1548 | { |
1549 | dXSARGS; |
1550 | if (items != 2) |
23da6c43 |
1551 | Perl_croak_nocontext("Usage: OS2::Error(harderr, exception)"); |
4bfbfac5 |
1552 | { |
1553 | int arg1 = SvIV(ST(0)); |
1554 | int arg2 = SvIV(ST(1)); |
1555 | int a = ((arg1 ? FERR_ENABLEHARDERR : FERR_DISABLEHARDERR) |
1556 | | (arg2 ? FERR_ENABLEEXCEPTION : FERR_DISABLEEXCEPTION)); |
1557 | int RETVAL = ((arg1 ? 1 : 0) | (arg2 ? 2 : 0)); |
1558 | unsigned long rc; |
1559 | |
1560 | if (CheckOSError(DosError(a))) |
23da6c43 |
1561 | Perl_croak_nocontext("DosError(%d) failed", a); |
4bfbfac5 |
1562 | ST(0) = sv_newmortal(); |
1563 | if (DOS_harderr_state >= 0) |
1564 | sv_setiv(ST(0), DOS_harderr_state); |
1565 | DOS_harderr_state = RETVAL; |
1566 | } |
1567 | XSRETURN(1); |
1568 | } |
1569 | |
1570 | static signed char DOS_suppression_state = -1; |
1571 | |
1572 | XS(XS_OS2_Errors2Drive) |
1573 | { |
1574 | dXSARGS; |
1575 | if (items != 1) |
23da6c43 |
1576 | Perl_croak_nocontext("Usage: OS2::Errors2Drive(drive)"); |
4bfbfac5 |
1577 | { |
2d8e6c8d |
1578 | STRLEN n_a; |
4bfbfac5 |
1579 | SV *sv = ST(0); |
1580 | int suppress = SvOK(sv); |
2d8e6c8d |
1581 | char *s = suppress ? SvPV(sv, n_a) : NULL; |
4bfbfac5 |
1582 | char drive = (s ? *s : 0); |
1583 | unsigned long rc; |
1584 | |
1585 | if (suppress && !isALPHA(drive)) |
23da6c43 |
1586 | Perl_croak_nocontext("Non-char argument '%c' to OS2::Errors2Drive()", drive); |
4bfbfac5 |
1587 | if (CheckOSError(DosSuppressPopUps((suppress |
1588 | ? SPU_ENABLESUPPRESSION |
1589 | : SPU_DISABLESUPPRESSION), |
1590 | drive))) |
23da6c43 |
1591 | Perl_croak_nocontext("DosSuppressPopUps(%c) failed", drive); |
4bfbfac5 |
1592 | ST(0) = sv_newmortal(); |
1593 | if (DOS_suppression_state > 0) |
1594 | sv_setpvn(ST(0), &DOS_suppression_state, 1); |
1595 | else if (DOS_suppression_state == 0) |
1596 | sv_setpvn(ST(0), "", 0); |
1597 | DOS_suppression_state = drive; |
1598 | } |
1599 | XSRETURN(1); |
1600 | } |
1601 | |
1602 | static const char * const si_fields[QSV_MAX] = { |
1603 | "MAX_PATH_LENGTH", |
1604 | "MAX_TEXT_SESSIONS", |
1605 | "MAX_PM_SESSIONS", |
1606 | "MAX_VDM_SESSIONS", |
1607 | "BOOT_DRIVE", |
1608 | "DYN_PRI_VARIATION", |
1609 | "MAX_WAIT", |
1610 | "MIN_SLICE", |
1611 | "MAX_SLICE", |
1612 | "PAGE_SIZE", |
1613 | "VERSION_MAJOR", |
1614 | "VERSION_MINOR", |
1615 | "VERSION_REVISION", |
1616 | "MS_COUNT", |
1617 | "TIME_LOW", |
1618 | "TIME_HIGH", |
1619 | "TOTPHYSMEM", |
1620 | "TOTRESMEM", |
1621 | "TOTAVAILMEM", |
1622 | "MAXPRMEM", |
1623 | "MAXSHMEM", |
1624 | "TIMER_INTERVAL", |
1625 | "MAX_COMP_LENGTH", |
1626 | "FOREGROUND_FS_SESSION", |
1627 | "FOREGROUND_PROCESS" |
1628 | }; |
1629 | |
1630 | XS(XS_OS2_SysInfo) |
1631 | { |
1632 | dXSARGS; |
1633 | if (items != 0) |
23da6c43 |
1634 | Perl_croak_nocontext("Usage: OS2::SysInfo()"); |
4bfbfac5 |
1635 | { |
1636 | ULONG si[QSV_MAX] = {0}; /* System Information Data Buffer */ |
1637 | APIRET rc = NO_ERROR; /* Return code */ |
1638 | int i = 0, j = 0; |
1639 | |
1640 | if (CheckOSError(DosQuerySysInfo(1L, /* Request all available system */ |
1641 | QSV_MAX, /* information */ |
1642 | (PVOID)si, |
1643 | sizeof(si)))) |
23da6c43 |
1644 | Perl_croak_nocontext("DosQuerySysInfo() failed"); |
4bfbfac5 |
1645 | EXTEND(SP,2*QSV_MAX); |
1646 | while (i < QSV_MAX) { |
1647 | ST(j) = sv_newmortal(); |
1648 | sv_setpv(ST(j++), si_fields[i]); |
1649 | ST(j) = sv_newmortal(); |
1650 | sv_setiv(ST(j++), si[i]); |
1651 | i++; |
1652 | } |
1653 | } |
1654 | XSRETURN(2 * QSV_MAX); |
1655 | } |
1656 | |
1657 | XS(XS_OS2_BootDrive) |
1658 | { |
1659 | dXSARGS; |
1660 | if (items != 0) |
23da6c43 |
1661 | Perl_croak_nocontext("Usage: OS2::BootDrive()"); |
4bfbfac5 |
1662 | { |
1663 | ULONG si[1] = {0}; /* System Information Data Buffer */ |
1664 | APIRET rc = NO_ERROR; /* Return code */ |
1665 | char c; |
1666 | |
1667 | if (CheckOSError(DosQuerySysInfo(QSV_BOOT_DRIVE, QSV_BOOT_DRIVE, |
1668 | (PVOID)si, sizeof(si)))) |
23da6c43 |
1669 | Perl_croak_nocontext("DosQuerySysInfo() failed"); |
4bfbfac5 |
1670 | ST(0) = sv_newmortal(); |
1671 | c = 'a' - 1 + si[0]; |
1672 | sv_setpvn(ST(0), &c, 1); |
1673 | } |
1674 | XSRETURN(1); |
1675 | } |
1676 | |
1677 | XS(XS_OS2_MorphPM) |
1678 | { |
1679 | dXSARGS; |
1680 | if (items != 1) |
23da6c43 |
1681 | Perl_croak_nocontext("Usage: OS2::MorphPM(serve)"); |
4bfbfac5 |
1682 | { |
1683 | bool serve = SvOK(ST(0)); |
1684 | unsigned long pmq = perl_hmq_GET(serve); |
1685 | |
1686 | ST(0) = sv_newmortal(); |
1687 | sv_setiv(ST(0), pmq); |
1688 | } |
1689 | XSRETURN(1); |
1690 | } |
1691 | |
1692 | XS(XS_OS2_UnMorphPM) |
1693 | { |
1694 | dXSARGS; |
1695 | if (items != 1) |
23da6c43 |
1696 | Perl_croak_nocontext("Usage: OS2::UnMorphPM(serve)"); |
4bfbfac5 |
1697 | { |
1698 | bool serve = SvOK(ST(0)); |
1699 | |
1700 | perl_hmq_UNSET(serve); |
1701 | } |
1702 | XSRETURN(0); |
1703 | } |
1704 | |
1705 | XS(XS_OS2_Serve_Messages) |
1706 | { |
1707 | dXSARGS; |
1708 | if (items != 1) |
23da6c43 |
1709 | Perl_croak_nocontext("Usage: OS2::Serve_Messages(force)"); |
4bfbfac5 |
1710 | { |
1711 | bool force = SvOK(ST(0)); |
1712 | unsigned long cnt = Perl_Serve_Messages(force); |
1713 | |
1714 | ST(0) = sv_newmortal(); |
1715 | sv_setiv(ST(0), cnt); |
1716 | } |
1717 | XSRETURN(1); |
1718 | } |
1719 | |
1720 | XS(XS_OS2_Process_Messages) |
1721 | { |
1722 | dXSARGS; |
1723 | if (items < 1 || items > 2) |
23da6c43 |
1724 | Perl_croak_nocontext("Usage: OS2::Process_Messages(force [, cnt])"); |
4bfbfac5 |
1725 | { |
1726 | bool force = SvOK(ST(0)); |
1727 | unsigned long cnt; |
4bfbfac5 |
1728 | |
1729 | if (items == 2) { |
47344f21 |
1730 | I32 cntr; |
4bfbfac5 |
1731 | SV *sv = ST(1); |
1732 | int fake = SvIV(sv); /* Force SvIVX */ |
1733 | |
1734 | if (!SvIOK(sv)) |
23da6c43 |
1735 | Perl_croak_nocontext("Can't upgrade count to IV"); |
47344f21 |
1736 | cntr = SvIVX(sv); |
1737 | cnt = Perl_Process_Messages(force, &cntr); |
1738 | SvIVX(sv) = cntr; |
1739 | } else { |
1740 | cnt = Perl_Process_Messages(force, NULL); |
1741 | } |
4bfbfac5 |
1742 | ST(0) = sv_newmortal(); |
1743 | sv_setiv(ST(0), cnt); |
1744 | } |
1745 | XSRETURN(1); |
1746 | } |
1747 | |
3bbf9c2b |
1748 | XS(XS_Cwd_current_drive) |
1749 | { |
1750 | dXSARGS; |
1751 | if (items != 0) |
23da6c43 |
1752 | Perl_croak_nocontext("Usage: Cwd::current_drive()"); |
3bbf9c2b |
1753 | { |
1754 | char RETVAL; |
1755 | |
1756 | RETVAL = current_drive(); |
1757 | ST(0) = sv_newmortal(); |
1758 | sv_setpvn(ST(0), (char *)&RETVAL, 1); |
1759 | } |
1760 | XSRETURN(1); |
1761 | } |
1762 | |
1763 | XS(XS_Cwd_sys_chdir) |
1764 | { |
1765 | dXSARGS; |
1766 | if (items != 1) |
23da6c43 |
1767 | Perl_croak_nocontext("Usage: Cwd::sys_chdir(path)"); |
3bbf9c2b |
1768 | { |
2d8e6c8d |
1769 | STRLEN n_a; |
1770 | char * path = (char *)SvPV(ST(0),n_a); |
3bbf9c2b |
1771 | bool RETVAL; |
1772 | |
1773 | RETVAL = sys_chdir(path); |
54310121 |
1774 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
1775 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
1776 | } |
1777 | XSRETURN(1); |
1778 | } |
1779 | |
1780 | XS(XS_Cwd_change_drive) |
1781 | { |
1782 | dXSARGS; |
1783 | if (items != 1) |
23da6c43 |
1784 | Perl_croak_nocontext("Usage: Cwd::change_drive(d)"); |
3bbf9c2b |
1785 | { |
2d8e6c8d |
1786 | STRLEN n_a; |
1787 | char d = (char)*SvPV(ST(0),n_a); |
3bbf9c2b |
1788 | bool RETVAL; |
1789 | |
1790 | RETVAL = change_drive(d); |
54310121 |
1791 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
1792 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
1793 | } |
1794 | XSRETURN(1); |
1795 | } |
1796 | |
1797 | XS(XS_Cwd_sys_is_absolute) |
1798 | { |
1799 | dXSARGS; |
1800 | if (items != 1) |
23da6c43 |
1801 | Perl_croak_nocontext("Usage: Cwd::sys_is_absolute(path)"); |
3bbf9c2b |
1802 | { |
2d8e6c8d |
1803 | STRLEN n_a; |
1804 | char * path = (char *)SvPV(ST(0),n_a); |
3bbf9c2b |
1805 | bool RETVAL; |
1806 | |
1807 | RETVAL = sys_is_absolute(path); |
54310121 |
1808 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
1809 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
1810 | } |
1811 | XSRETURN(1); |
1812 | } |
1813 | |
1814 | XS(XS_Cwd_sys_is_rooted) |
1815 | { |
1816 | dXSARGS; |
1817 | if (items != 1) |
23da6c43 |
1818 | Perl_croak_nocontext("Usage: Cwd::sys_is_rooted(path)"); |
3bbf9c2b |
1819 | { |
2d8e6c8d |
1820 | STRLEN n_a; |
1821 | char * path = (char *)SvPV(ST(0),n_a); |
3bbf9c2b |
1822 | bool RETVAL; |
1823 | |
1824 | RETVAL = sys_is_rooted(path); |
54310121 |
1825 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
1826 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
1827 | } |
1828 | XSRETURN(1); |
1829 | } |
1830 | |
1831 | XS(XS_Cwd_sys_is_relative) |
1832 | { |
1833 | dXSARGS; |
1834 | if (items != 1) |
23da6c43 |
1835 | Perl_croak_nocontext("Usage: Cwd::sys_is_relative(path)"); |
3bbf9c2b |
1836 | { |
2d8e6c8d |
1837 | STRLEN n_a; |
1838 | char * path = (char *)SvPV(ST(0),n_a); |
3bbf9c2b |
1839 | bool RETVAL; |
1840 | |
1841 | RETVAL = sys_is_relative(path); |
54310121 |
1842 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
1843 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
1844 | } |
1845 | XSRETURN(1); |
1846 | } |
1847 | |
1848 | XS(XS_Cwd_sys_cwd) |
1849 | { |
1850 | dXSARGS; |
1851 | if (items != 0) |
23da6c43 |
1852 | Perl_croak_nocontext("Usage: Cwd::sys_cwd()"); |
3bbf9c2b |
1853 | { |
1854 | char p[MAXPATHLEN]; |
1855 | char * RETVAL; |
1856 | RETVAL = _getcwd2(p, MAXPATHLEN); |
1857 | ST(0) = sv_newmortal(); |
1858 | sv_setpv((SV*)ST(0), RETVAL); |
1859 | } |
1860 | XSRETURN(1); |
1861 | } |
1862 | |
1863 | XS(XS_Cwd_sys_abspath) |
1864 | { |
1865 | dXSARGS; |
1866 | if (items < 1 || items > 2) |
23da6c43 |
1867 | Perl_croak_nocontext("Usage: Cwd::sys_abspath(path, dir = NULL)"); |
3bbf9c2b |
1868 | { |
2d8e6c8d |
1869 | STRLEN n_a; |
1870 | char * path = (char *)SvPV(ST(0),n_a); |
3bbf9c2b |
1871 | char * dir; |
1872 | char p[MAXPATHLEN]; |
1873 | char * RETVAL; |
1874 | |
1875 | if (items < 2) |
1876 | dir = NULL; |
1877 | else { |
2d8e6c8d |
1878 | dir = (char *)SvPV(ST(1),n_a); |
3bbf9c2b |
1879 | } |
1880 | if (path[0] == '.' && (path[1] == '/' || path[1] == '\\')) { |
1881 | path += 2; |
1882 | } |
1883 | if (dir == NULL) { |
1884 | if (_abspath(p, path, MAXPATHLEN) == 0) { |
1885 | RETVAL = p; |
1886 | } else { |
1887 | RETVAL = NULL; |
1888 | } |
1889 | } else { |
1890 | /* Absolute with drive: */ |
1891 | if ( sys_is_absolute(path) ) { |
1892 | if (_abspath(p, path, MAXPATHLEN) == 0) { |
1893 | RETVAL = p; |
1894 | } else { |
1895 | RETVAL = NULL; |
1896 | } |
1897 | } else if (path[0] == '/' || path[0] == '\\') { |
1898 | /* Rooted, but maybe on different drive. */ |
1899 | if (isALPHA(dir[0]) && dir[1] == ':' ) { |
1900 | char p1[MAXPATHLEN]; |
1901 | |
1902 | /* Need to prepend the drive. */ |
1903 | p1[0] = dir[0]; |
1904 | p1[1] = dir[1]; |
1905 | Copy(path, p1 + 2, strlen(path) + 1, char); |
1906 | RETVAL = p; |
1907 | if (_abspath(p, p1, MAXPATHLEN) == 0) { |
1908 | RETVAL = p; |
1909 | } else { |
1910 | RETVAL = NULL; |
1911 | } |
1912 | } else if (_abspath(p, path, MAXPATHLEN) == 0) { |
1913 | RETVAL = p; |
1914 | } else { |
1915 | RETVAL = NULL; |
1916 | } |
1917 | } else { |
1918 | /* Either path is relative, or starts with a drive letter. */ |
1919 | /* If the path starts with a drive letter, then dir is |
1920 | relevant only if |
1921 | a/b) it is absolute/x:relative on the same drive. |
1922 | c) path is on current drive, and dir is rooted |
1923 | In all the cases it is safe to drop the drive part |
1924 | of the path. */ |
1925 | if ( !sys_is_relative(path) ) { |
1926 | int is_drived; |
1927 | |
1928 | if ( ( ( sys_is_absolute(dir) |
1929 | || (isALPHA(dir[0]) && dir[1] == ':' |
1930 | && strnicmp(dir, path,1) == 0)) |
1931 | && strnicmp(dir, path,1) == 0) |
1932 | || ( !(isALPHA(dir[0]) && dir[1] == ':') |
1933 | && toupper(path[0]) == current_drive())) { |
1934 | path += 2; |
1935 | } else if (_abspath(p, path, MAXPATHLEN) == 0) { |
1936 | RETVAL = p; goto done; |
1937 | } else { |
1938 | RETVAL = NULL; goto done; |
1939 | } |
1940 | } |
1941 | { |
1942 | /* Need to prepend the absolute path of dir. */ |
1943 | char p1[MAXPATHLEN]; |
1944 | |
1945 | if (_abspath(p1, dir, MAXPATHLEN) == 0) { |
1946 | int l = strlen(p1); |
1947 | |
1948 | if (p1[ l - 1 ] != '/') { |
1949 | p1[ l ] = '/'; |
1950 | l++; |
1951 | } |
1952 | Copy(path, p1 + l, strlen(path) + 1, char); |
1953 | if (_abspath(p, p1, MAXPATHLEN) == 0) { |
1954 | RETVAL = p; |
1955 | } else { |
1956 | RETVAL = NULL; |
1957 | } |
1958 | } else { |
1959 | RETVAL = NULL; |
1960 | } |
1961 | } |
1962 | done: |
1963 | } |
1964 | } |
1965 | ST(0) = sv_newmortal(); |
1966 | sv_setpv((SV*)ST(0), RETVAL); |
1967 | } |
1968 | XSRETURN(1); |
1969 | } |
72ea3524 |
1970 | typedef APIRET (*PELP)(PSZ path, ULONG type); |
1971 | |
1972 | APIRET |
1973 | ExtLIBPATH(ULONG ord, PSZ path, ULONG type) |
1974 | { |
4bfbfac5 |
1975 | loadByOrd("doscalls",ord); /* Guarantied to load or die! */ |
72ea3524 |
1976 | return (*(PELP)ExtFCN[ord])(path, type); |
1977 | } |
3bbf9c2b |
1978 | |
72ea3524 |
1979 | #define extLibpath(type) \ |
1980 | (CheckOSError(ExtLIBPATH(ORD_QUERY_ELP, to, ((type) ? END_LIBPATH \ |
1981 | : BEGIN_LIBPATH))) \ |
3bbf9c2b |
1982 | ? NULL : to ) |
1983 | |
1984 | #define extLibpath_set(p,type) \ |
72ea3524 |
1985 | (!CheckOSError(ExtLIBPATH(ORD_SET_ELP, (p), ((type) ? END_LIBPATH \ |
1986 | : BEGIN_LIBPATH)))) |
3bbf9c2b |
1987 | |
1988 | XS(XS_Cwd_extLibpath) |
1989 | { |
1990 | dXSARGS; |
1991 | if (items < 0 || items > 1) |
23da6c43 |
1992 | Perl_croak_nocontext("Usage: Cwd::extLibpath(type = 0)"); |
3bbf9c2b |
1993 | { |
1994 | bool type; |
1995 | char to[1024]; |
1996 | U32 rc; |
1997 | char * RETVAL; |
1998 | |
1999 | if (items < 1) |
2000 | type = 0; |
2001 | else { |
2002 | type = (int)SvIV(ST(0)); |
2003 | } |
2004 | |
2005 | RETVAL = extLibpath(type); |
2006 | ST(0) = sv_newmortal(); |
2007 | sv_setpv((SV*)ST(0), RETVAL); |
2008 | } |
2009 | XSRETURN(1); |
2010 | } |
2011 | |
2012 | XS(XS_Cwd_extLibpath_set) |
2013 | { |
2014 | dXSARGS; |
2015 | if (items < 1 || items > 2) |
23da6c43 |
2016 | Perl_croak_nocontext("Usage: Cwd::extLibpath_set(s, type = 0)"); |
3bbf9c2b |
2017 | { |
2d8e6c8d |
2018 | STRLEN n_a; |
2019 | char * s = (char *)SvPV(ST(0),n_a); |
3bbf9c2b |
2020 | bool type; |
2021 | U32 rc; |
2022 | bool RETVAL; |
2023 | |
2024 | if (items < 2) |
2025 | type = 0; |
2026 | else { |
2027 | type = (int)SvIV(ST(1)); |
2028 | } |
2029 | |
2030 | RETVAL = extLibpath_set(s, type); |
54310121 |
2031 | ST(0) = boolSV(RETVAL); |
3bbf9c2b |
2032 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
2033 | } |
2034 | XSRETURN(1); |
2035 | } |
2036 | |
2037 | int |
23da6c43 |
2038 | Xs_OS2_init(pTHX) |
3bbf9c2b |
2039 | { |
2040 | char *file = __FILE__; |
2041 | { |
2042 | GV *gv; |
55497cff |
2043 | |
2044 | if (_emx_env & 0x200) { /* OS/2 */ |
2045 | newXS("File::Copy::syscopy", XS_File__Copy_syscopy, file); |
2046 | newXS("Cwd::extLibpath", XS_Cwd_extLibpath, file); |
2047 | newXS("Cwd::extLibpath_set", XS_Cwd_extLibpath_set, file); |
2048 | } |
4bfbfac5 |
2049 | newXS("OS2::Error", XS_OS2_Error, file); |
2050 | newXS("OS2::Errors2Drive", XS_OS2_Errors2Drive, file); |
2051 | newXS("OS2::SysInfo", XS_OS2_SysInfo, file); |
2052 | newXS("OS2::BootDrive", XS_OS2_BootDrive, file); |
2053 | newXS("OS2::MorphPM", XS_OS2_MorphPM, file); |
2054 | newXS("OS2::UnMorphPM", XS_OS2_UnMorphPM, file); |
2055 | newXS("OS2::Serve_Messages", XS_OS2_Serve_Messages, file); |
2056 | newXS("OS2::Process_Messages", XS_OS2_Process_Messages, file); |
3bbf9c2b |
2057 | newXS("DynaLoader::mod2fname", XS_DynaLoader_mod2fname, file); |
2058 | newXS("Cwd::current_drive", XS_Cwd_current_drive, file); |
2059 | newXS("Cwd::sys_chdir", XS_Cwd_sys_chdir, file); |
2060 | newXS("Cwd::change_drive", XS_Cwd_change_drive, file); |
2061 | newXS("Cwd::sys_is_absolute", XS_Cwd_sys_is_absolute, file); |
2062 | newXS("Cwd::sys_is_rooted", XS_Cwd_sys_is_rooted, file); |
2063 | newXS("Cwd::sys_is_relative", XS_Cwd_sys_is_relative, file); |
2064 | newXS("Cwd::sys_cwd", XS_Cwd_sys_cwd, file); |
2065 | newXS("Cwd::sys_abspath", XS_Cwd_sys_abspath, file); |
3bbf9c2b |
2066 | gv = gv_fetchpv("OS2::is_aout", TRUE, SVt_PV); |
2067 | GvMULTI_on(gv); |
2068 | #ifdef PERL_IS_AOUT |
2069 | sv_setiv(GvSV(gv), 1); |
2070 | #endif |
4bfbfac5 |
2071 | gv = gv_fetchpv("OS2::emx_rev", TRUE, SVt_PV); |
2072 | GvMULTI_on(gv); |
2073 | sv_setiv(GvSV(gv), _emx_rev); |
2074 | sv_setpv(GvSV(gv), _emx_vprt); |
2075 | SvIOK_on(GvSV(gv)); |
2076 | gv = gv_fetchpv("OS2::emx_env", TRUE, SVt_PV); |
2077 | GvMULTI_on(gv); |
2078 | sv_setiv(GvSV(gv), _emx_env); |
2079 | gv = gv_fetchpv("OS2::os_ver", TRUE, SVt_PV); |
2080 | GvMULTI_on(gv); |
2081 | sv_setnv(GvSV(gv), _osmajor + 0.001 * _osminor); |
3bbf9c2b |
2082 | } |
2083 | } |
2084 | |
2085 | OS2_Perl_data_t OS2_Perl_data; |
2086 | |
2087 | void |
aa689395 |
2088 | Perl_OS2_init(char **env) |
3bbf9c2b |
2089 | { |
2090 | char *shell; |
2091 | |
18f739ee |
2092 | MALLOC_INIT; |
3bbf9c2b |
2093 | settmppath(); |
2094 | OS2_Perl_data.xs_init = &Xs_OS2_init; |
28743a51 |
2095 | _uflags (_UF_SBRK_MODEL, _UF_SBRK_ARBITRARY); |
ed344e4f |
2096 | if (environ == NULL && env) { |
aa689395 |
2097 | environ = env; |
2098 | } |
3bbf9c2b |
2099 | if ( (shell = getenv("PERL_SH_DRIVE")) ) { |
6b88bc9c |
2100 | New(1304, PL_sh_path, strlen(SH_PATH) + 1, char); |
2101 | strcpy(PL_sh_path, SH_PATH); |
2102 | PL_sh_path[0] = shell[0]; |
3bbf9c2b |
2103 | } else if ( (shell = getenv("PERL_SH_DIR")) ) { |
ff68c719 |
2104 | int l = strlen(shell), i; |
3bbf9c2b |
2105 | if (shell[l-1] == '/' || shell[l-1] == '\\') { |
2106 | l--; |
2107 | } |
6b88bc9c |
2108 | New(1304, PL_sh_path, l + 8, char); |
2109 | strncpy(PL_sh_path, shell, l); |
2110 | strcpy(PL_sh_path + l, "/sh.exe"); |
ff68c719 |
2111 | for (i = 0; i < l; i++) { |
6b88bc9c |
2112 | if (PL_sh_path[i] == '\\') PL_sh_path[i] = '/'; |
ff68c719 |
2113 | } |
3bbf9c2b |
2114 | } |
dd96f567 |
2115 | MUTEX_INIT(&start_thread_mutex); |
017f25f1 |
2116 | os2_mytype = my_type(); /* Do it before morphing. Needed? */ |
3bbf9c2b |
2117 | } |
2118 | |
55497cff |
2119 | #undef tmpnam |
2120 | #undef tmpfile |
2121 | |
2122 | char * |
2123 | my_tmpnam (char *str) |
2124 | { |
2125 | char *p = getenv("TMP"), *tpath; |
2126 | int len; |
2127 | |
2128 | if (!p) p = getenv("TEMP"); |
2129 | tpath = tempnam(p, "pltmp"); |
2130 | if (str && tpath) { |
2131 | strcpy(str, tpath); |
2132 | return str; |
2133 | } |
2134 | return tpath; |
2135 | } |
2136 | |
2137 | FILE * |
2138 | my_tmpfile () |
2139 | { |
2140 | struct stat s; |
2141 | |
2142 | stat(".", &s); |
2143 | if (s.st_mode & S_IWOTH) { |
2144 | return tmpfile(); |
2145 | } |
2146 | return fopen(my_tmpnam(NULL), "w+b"); /* Race condition, but |
2147 | grants TMP. */ |
2148 | } |
367f3c24 |
2149 | |
2150 | #undef flock |
2151 | |
2152 | /* This code was contributed by Rocco Caputo. */ |
2153 | int |
dd96f567 |
2154 | my_flock(int handle, int o) |
367f3c24 |
2155 | { |
2156 | FILELOCK rNull, rFull; |
2157 | ULONG timeout, handle_type, flag_word; |
2158 | APIRET rc; |
2159 | int blocking, shared; |
2160 | static int use_my = -1; |
2161 | |
2162 | if (use_my == -1) { |
2163 | char *s = getenv("USE_PERL_FLOCK"); |
2164 | if (s) |
2165 | use_my = atoi(s); |
2166 | else |
2167 | use_my = 1; |
2168 | } |
2169 | if (!(_emx_env & 0x200) || !use_my) |
dd96f567 |
2170 | return flock(handle, o); /* Delegate to EMX. */ |
367f3c24 |
2171 | |
2172 | // is this a file? |
2173 | if ((DosQueryHType(handle, &handle_type, &flag_word) != 0) || |
2174 | (handle_type & 0xFF)) |
2175 | { |
2176 | errno = EBADF; |
2177 | return -1; |
2178 | } |
2179 | // set lock/unlock ranges |
2180 | rNull.lOffset = rNull.lRange = rFull.lOffset = 0; |
2181 | rFull.lRange = 0x7FFFFFFF; |
2182 | // set timeout for blocking |
dd96f567 |
2183 | timeout = ((blocking = !(o & LOCK_NB))) ? 100 : 1; |
367f3c24 |
2184 | // shared or exclusive? |
dd96f567 |
2185 | shared = (o & LOCK_SH) ? 1 : 0; |
367f3c24 |
2186 | // do not block the unlock |
dd96f567 |
2187 | if (o & (LOCK_UN | LOCK_SH | LOCK_EX)) { |
367f3c24 |
2188 | rc = DosSetFileLocks(handle, &rFull, &rNull, timeout, shared); |
2189 | switch (rc) { |
2190 | case 0: |
2191 | errno = 0; |
2192 | return 0; |
2193 | case ERROR_INVALID_HANDLE: |
2194 | errno = EBADF; |
2195 | return -1; |
2196 | case ERROR_SHARING_BUFFER_EXCEEDED: |
2197 | errno = ENOLCK; |
2198 | return -1; |
2199 | case ERROR_LOCK_VIOLATION: |
2200 | break; // not an error |
2201 | case ERROR_INVALID_PARAMETER: |
2202 | case ERROR_ATOMIC_LOCK_NOT_SUPPORTED: |
2203 | case ERROR_READ_LOCKS_NOT_SUPPORTED: |
2204 | errno = EINVAL; |
2205 | return -1; |
2206 | case ERROR_INTERRUPT: |
2207 | errno = EINTR; |
2208 | return -1; |
2209 | default: |
2210 | errno = EINVAL; |
2211 | return -1; |
2212 | } |
2213 | } |
2214 | // lock may block |
dd96f567 |
2215 | if (o & (LOCK_SH | LOCK_EX)) { |
367f3c24 |
2216 | // for blocking operations |
2217 | for (;;) { |
2218 | rc = |
2219 | DosSetFileLocks( |
2220 | handle, |
2221 | &rNull, |
2222 | &rFull, |
2223 | timeout, |
2224 | shared |
2225 | ); |
2226 | switch (rc) { |
2227 | case 0: |
2228 | errno = 0; |
2229 | return 0; |
2230 | case ERROR_INVALID_HANDLE: |
2231 | errno = EBADF; |
2232 | return -1; |
2233 | case ERROR_SHARING_BUFFER_EXCEEDED: |
2234 | errno = ENOLCK; |
2235 | return -1; |
2236 | case ERROR_LOCK_VIOLATION: |
2237 | if (!blocking) { |
2238 | errno = EWOULDBLOCK; |
2239 | return -1; |
2240 | } |
2241 | break; |
2242 | case ERROR_INVALID_PARAMETER: |
2243 | case ERROR_ATOMIC_LOCK_NOT_SUPPORTED: |
2244 | case ERROR_READ_LOCKS_NOT_SUPPORTED: |
2245 | errno = EINVAL; |
2246 | return -1; |
2247 | case ERROR_INTERRUPT: |
2248 | errno = EINTR; |
2249 | return -1; |
2250 | default: |
2251 | errno = EINVAL; |
2252 | return -1; |
2253 | } |
2254 | // give away timeslice |
2255 | DosSleep(1); |
2256 | } |
2257 | } |
2258 | |
2259 | errno = 0; |
2260 | return 0; |
2261 | } |